Home / 123,553,545.72-185,341,089.72-40,530,405.60

Finding the Fourth Proportional to 123,553,545.72, 185,341,089.72 and 40,530,405.60

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Solution

The fourth proportional to 123,553,545.72, 185,341,089.72 and 40,530,405.60 is: 60,799,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,553,545.72 : 185,341,089.72 = 40,530,405.60 : x
  2. Step 2: Convert to fraction form
    123,553,545.72/185,341,089.72 = 40,530,405.60/x
  3. Step 3: Cross multiply
    123,553,545.72x = 185,341,089.72 × 40,530,405.60
  4. Step 4: Simplify right side
    123,553,545.72x = 7,511,949,540,697,591
  5. Step 5: Solve for x
    x = 7,511,949,540,697,591/123,553,545.72
  6. Step 6: Final answer
    x = 60,799,141.76

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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.