Home / 90,535,957.72-124,942,635.74-50,850,471.13

Finding the Fourth Proportional to 90,535,957.72, 124,942,635.74 and 50,850,471.13

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Solution

The fourth proportional to 90,535,957.72, 124,942,635.74 and 50,850,471.13 is: 70,175,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535,957.72 : 124,942,635.74 = 50,850,471.13 : x
  2. Step 2: Convert to fraction form
    90,535,957.72/124,942,635.74 = 50,850,471.13/x
  3. Step 3: Cross multiply
    90,535,957.72x = 124,942,635.74 × 50,850,471.13
  4. Step 4: Simplify right side
    90,535,957.72x = 6,353,391,891,417,746
  5. Step 5: Solve for x
    x = 6,353,391,891,417,746/90,535,957.72
  6. Step 6: Final answer
    x = 70,175,343.05

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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.