Home / 67,648,385.60-93,330,370.86-38,279,405.60

Finding the Fourth Proportional to 67,648,385.60, 93,330,370.86 and 38,279,405.60

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Solution

The fourth proportional to 67,648,385.60, 93,330,370.86 and 38,279,405.60 is: 52,811,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,648,385.60 : 93,330,370.86 = 38,279,405.60 : x
  2. Step 2: Convert to fraction form
    67,648,385.60/93,330,370.86 = 38,279,405.60/x
  3. Step 3: Cross multiply
    67,648,385.60x = 93,330,370.86 × 38,279,405.60
  4. Step 4: Simplify right side
    67,648,385.60x = 3,572,631,120,948,361
  5. Step 5: Solve for x
    x = 3,572,631,120,948,361/67,648,385.60
  6. Step 6: Final answer
    x = 52,811,772.07

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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.