Home / 149,688,022.30-224,532,033.45-85,190,767.90

Finding the Fourth Proportional to 149,688,022.30, 224,532,033.45 and 85,190,767.90

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Solution

The fourth proportional to 149,688,022.30, 224,532,033.45 and 85,190,767.90 is: 127,786,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,022.30 : 224,532,033.45 = 85,190,767.90 : x
  2. Step 2: Convert to fraction form
    149,688,022.30/224,532,033.45 = 85,190,767.90/x
  3. Step 3: Cross multiply
    149,688,022.30x = 224,532,033.45 × 85,190,767.90
  4. Step 4: Simplify right side
    149,688,022.30x = 19,128,056,347,753,988
  5. Step 5: Solve for x
    x = 19,128,056,347,753,988/149,688,022.30
  6. Step 6: Final answer
    x = 127,786,151.85

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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.