Home / 410,462,665.23-615,693,997.17-103,754,778.24

Finding the Fourth Proportional to 410,462,665.23, 615,693,997.17 and 103,754,778.24

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Solution

The fourth proportional to 410,462,665.23, 615,693,997.17 and 103,754,778.24 is: 155,632,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,462,665.23 : 615,693,997.17 = 103,754,778.24 : x
  2. Step 2: Convert to fraction form
    410,462,665.23/615,693,997.17 = 103,754,778.24/x
  3. Step 3: Cross multiply
    410,462,665.23x = 615,693,997.17 × 103,754,778.24
  4. Step 4: Simplify right side
    410,462,665.23x = 63,881,194,140,072,528
  5. Step 5: Solve for x
    x = 63,881,194,140,072,528/410,462,665.23
  6. Step 6: Final answer
    x = 155,632,167.19

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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.