Home / 74,745,027.20-112,149,033.60-40,690,812.80

Finding the Fourth Proportional to 74,745,027.20, 112,149,033.60 and 40,690,812.80

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Solution

The fourth proportional to 74,745,027.20, 112,149,033.60 and 40,690,812.80 is: 61,053,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745,027.20 : 112,149,033.60 = 40,690,812.80 : x
  2. Step 2: Convert to fraction form
    74,745,027.20/112,149,033.60 = 40,690,812.80/x
  3. Step 3: Cross multiply
    74,745,027.20x = 112,149,033.60 × 40,690,812.80
  4. Step 4: Simplify right side
    74,745,027.20x = 4,563,435,331,918,510
  5. Step 5: Solve for x
    x = 4,563,435,331,918,510/74,745,027.20
  6. Step 6: Final answer
    x = 61,053,363.72

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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.