Home / 99,445,136.91-137,227,234.95-54,789,158.40

Finding the Fourth Proportional to 99,445,136.91, 137,227,234.95 and 54,789,158.40

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Solution

The fourth proportional to 99,445,136.91, 137,227,234.95 and 54,789,158.40 is: 75,605,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445,136.91 : 137,227,234.95 = 54,789,158.40 : x
  2. Step 2: Convert to fraction form
    99,445,136.91/137,227,234.95 = 54,789,158.40/x
  3. Step 3: Cross multiply
    99,445,136.91x = 137,227,234.95 × 54,789,158.40
  4. Step 4: Simplify right side
    99,445,136.91x = 7,518,564,712,469,565
  5. Step 5: Solve for x
    x = 7,518,564,712,469,565/99,445,136.91
  6. Step 6: Final answer
    x = 75,605,152.21

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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.