Home / 155,197,136,017.80-232,795,704,026.70-66,964,891,998.60

Finding the Fourth Proportional to 155,197,136,017.80, 232,795,704,026.70 and 66,964,891,998.60

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Solution

The fourth proportional to 155,197,136,017.80, 232,795,704,026.70 and 66,964,891,998.60 is: 100,447,337,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,197,136,017.80 : 232,795,704,026.70 = 66,964,891,998.60 : x
  2. Step 2: Convert to fraction form
    155,197,136,017.80/232,795,704,026.70 = 66,964,891,998.60/x
  3. Step 3: Cross multiply
    155,197,136,017.80x = 232,795,704,026.70 × 66,964,891,998.60
  4. Step 4: Simplify right side
    155,197,136,017.80x = 15,589,139,177,886,017,650,688
  5. Step 5: Solve for x
    x = 15,589,139,177,886,017,650,688/155,197,136,017.80
  6. Step 6: Final answer
    x = 100,447,337,997.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.