Home / 203,792,446.80-305,688,670.20-135,767,998.80

Finding the Fourth Proportional to 203,792,446.80, 305,688,670.20 and 135,767,998.80

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Solution

The fourth proportional to 203,792,446.80, 305,688,670.20 and 135,767,998.80 is: 203,651,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,792,446.80 : 305,688,670.20 = 135,767,998.80 : x
  2. Step 2: Convert to fraction form
    203,792,446.80/305,688,670.20 = 135,767,998.80/x
  3. Step 3: Cross multiply
    203,792,446.80x = 305,688,670.20 × 135,767,998.80
  4. Step 4: Simplify right side
    203,792,446.80x = 41,502,739,008,887,200
  5. Step 5: Solve for x
    x = 41,502,739,008,887,200/203,792,446.80
  6. Step 6: Final answer
    x = 203,651,998.20

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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.