Home / 100,735,409.80-151,103,114.70-80,580,017.80

Finding the Fourth Proportional to 100,735,409.80, 151,103,114.70 and 80,580,017.80

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Solution

The fourth proportional to 100,735,409.80, 151,103,114.70 and 80,580,017.80 is: 120,870,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,735,409.80 : 151,103,114.70 = 80,580,017.80 : x
  2. Step 2: Convert to fraction form
    100,735,409.80/151,103,114.70 = 80,580,017.80/x
  3. Step 3: Cross multiply
    100,735,409.80x = 151,103,114.70 × 80,580,017.80
  4. Step 4: Simplify right side
    100,735,409.80x = 12,175,891,672,161,440
  5. Step 5: Solve for x
    x = 12,175,891,672,161,440/100,735,409.80
  6. Step 6: Final answer
    x = 120,870,026.70

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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.