Home / 72,593,367-100,177,579.60-39,553,889.61

Finding the Fourth Proportional to 72,593,367, 100,177,579.60 and 39,553,889.61

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Solution

The fourth proportional to 72,593,367, 100,177,579.60 and 39,553,889.61 is: 54,583,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,593,367 : 100,177,579.60 = 39,553,889.61 : x
  2. Step 2: Convert to fraction form
    72,593,367/100,177,579.60 = 39,553,889.61/x
  3. Step 3: Cross multiply
    72,593,367x = 100,177,579.60 × 39,553,889.61
  4. Step 4: Simplify right side
    72,593,367x = 3,962,412,924,895,387.50
  5. Step 5: Solve for x
    x = 3,962,412,924,895,387.50/72,593,367
  6. Step 6: Final answer
    x = 54,583,677.39

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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.