Home / 60,482,002.70-90,723,004.05-54,246,428.30

Finding the Fourth Proportional to 60,482,002.70, 90,723,004.05 and 54,246,428.30

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Solution

The fourth proportional to 60,482,002.70, 90,723,004.05 and 54,246,428.30 is: 81,369,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482,002.70 : 90,723,004.05 = 54,246,428.30 : x
  2. Step 2: Convert to fraction form
    60,482,002.70/90,723,004.05 = 54,246,428.30/x
  3. Step 3: Cross multiply
    60,482,002.70x = 90,723,004.05 × 54,246,428.30
  4. Step 4: Simplify right side
    60,482,002.70x = 4,921,398,934,358,934
  5. Step 5: Solve for x
    x = 4,921,398,934,358,934/60,482,002.70
  6. Step 6: Final answer
    x = 81,369,642.45

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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.