Home / 55,715,605.38-76,883,788.58-30,934,511.55

Finding the Fourth Proportional to 55,715,605.38, 76,883,788.58 and 30,934,511.55

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Solution

The fourth proportional to 55,715,605.38, 76,883,788.58 and 30,934,511.55 is: 42,687,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715,605.38 : 76,883,788.58 = 30,934,511.55 : x
  2. Step 2: Convert to fraction form
    55,715,605.38/76,883,788.58 = 30,934,511.55/x
  3. Step 3: Cross multiply
    55,715,605.38x = 76,883,788.58 × 30,934,511.55
  4. Step 4: Simplify right side
    55,715,605.38x = 2,378,362,445,681,095.50
  5. Step 5: Solve for x
    x = 2,378,362,445,681,095.50/55,715,605.38
  6. Step 6: Final answer
    x = 42,687,545.61

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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.