Home / 90,039,591-124,248,864.06-50,350,394.52

Finding the Fourth Proportional to 90,039,591, 124,248,864.06 and 50,350,394.52

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Solution

The fourth proportional to 90,039,591, 124,248,864.06 and 50,350,394.52 is: 69,480,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,039,591 : 124,248,864.06 = 50,350,394.52 : x
  2. Step 2: Convert to fraction form
    90,039,591/124,248,864.06 = 50,350,394.52/x
  3. Step 3: Cross multiply
    90,039,591x = 124,248,864.06 × 50,350,394.52
  4. Step 4: Simplify right side
    90,039,591x = 6,255,979,324,082,849
  5. Step 5: Solve for x
    x = 6,255,979,324,082,849/90,039,591
  6. Step 6: Final answer
    x = 69,480,316.99

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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.