Home / 75,622,269.90-113,433,404.85-74,904,824.55

Finding the Fourth Proportional to 75,622,269.90, 113,433,404.85 and 74,904,824.55

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Solution

The fourth proportional to 75,622,269.90, 113,433,404.85 and 74,904,824.55 is: 112,357,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622,269.90 : 113,433,404.85 = 74,904,824.55 : x
  2. Step 2: Convert to fraction form
    75,622,269.90/113,433,404.85 = 74,904,824.55/x
  3. Step 3: Cross multiply
    75,622,269.90x = 113,433,404.85 × 74,904,824.55
  4. Step 4: Simplify right side
    75,622,269.90x = 8,496,709,288,398,368
  5. Step 5: Solve for x
    x = 8,496,709,288,398,368/75,622,269.90
  6. Step 6: Final answer
    x = 112,357,236.83

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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.