Home / 56,663,861.10-84,995,791.65-52,128,897.90

Finding the Fourth Proportional to 56,663,861.10, 84,995,791.65 and 52,128,897.90

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Solution

The fourth proportional to 56,663,861.10, 84,995,791.65 and 52,128,897.90 is: 78,193,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663,861.10 : 84,995,791.65 = 52,128,897.90 : x
  2. Step 2: Convert to fraction form
    56,663,861.10/84,995,791.65 = 52,128,897.90/x
  3. Step 3: Cross multiply
    56,663,861.10x = 84,995,791.65 × 52,128,897.90
  4. Step 4: Simplify right side
    56,663,861.10x = 4,430,736,944,852,522.50
  5. Step 5: Solve for x
    x = 4,430,736,944,852,522.50/56,663,861.10
  6. Step 6: Final answer
    x = 78,193,346.85

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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.