Home / 206,478,073.49-284,945,615.01-112,398,287.55

Finding the Fourth Proportional to 206,478,073.49, 284,945,615.01 and 112,398,287.55

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Solution

The fourth proportional to 206,478,073.49, 284,945,615.01 and 112,398,287.55 is: 155,112,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,478,073.49 : 284,945,615.01 = 112,398,287.55 : x
  2. Step 2: Convert to fraction form
    206,478,073.49/284,945,615.01 = 112,398,287.55/x
  3. Step 3: Cross multiply
    206,478,073.49x = 284,945,615.01 × 112,398,287.55
  4. Step 4: Simplify right side
    206,478,073.49x = 32,027,399,172,005,576
  5. Step 5: Solve for x
    x = 32,027,399,172,005,576/206,478,073.49
  6. Step 6: Final answer
    x = 155,112,834.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.