Home / 89,430,519.87-123,395,874.39-52,253,609.76

Finding the Fourth Proportional to 89,430,519.87, 123,395,874.39 and 52,253,609.76

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Solution

The fourth proportional to 89,430,519.87, 123,395,874.39 and 52,253,609.76 is: 72,099,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,430,519.87 : 123,395,874.39 = 52,253,609.76 : x
  2. Step 2: Convert to fraction form
    89,430,519.87/123,395,874.39 = 52,253,609.76/x
  3. Step 3: Cross multiply
    89,430,519.87x = 123,395,874.39 × 52,253,609.76
  4. Step 4: Simplify right side
    89,430,519.87x = 6,447,879,866,369,038
  5. Step 5: Solve for x
    x = 6,447,879,866,369,038/89,430,519.87
  6. Step 6: Final answer
    x = 72,099,322.20

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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.