Home / 90,279,963-124,624,490.76-60,951,025.08

Finding the Fourth Proportional to 90,279,963, 124,624,490.76 and 60,951,025.08

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Solution

The fourth proportional to 90,279,963, 124,624,490.76 and 60,951,025.08 is: 84,138,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279,963 : 124,624,490.76 = 60,951,025.08 : x
  2. Step 2: Convert to fraction form
    90,279,963/124,624,490.76 = 60,951,025.08/x
  3. Step 3: Cross multiply
    90,279,963x = 124,624,490.76 × 60,951,025.08
  4. Step 4: Simplify right side
    90,279,963x = 7,595,990,461,894,988
  5. Step 5: Solve for x
    x = 7,595,990,461,894,988/90,279,963
  6. Step 6: Final answer
    x = 84,138,165.43

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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.