Home / 69,423,520.76-104,061,860.40-25,676,164.88

Finding the Fourth Proportional to 69,423,520.76, 104,061,860.40 and 25,676,164.88

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Solution

The fourth proportional to 69,423,520.76, 104,061,860.40 and 25,676,164.88 is: 38,487,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423,520.76 : 104,061,860.40 = 25,676,164.88 : x
  2. Step 2: Convert to fraction form
    69,423,520.76/104,061,860.40 = 25,676,164.88/x
  3. Step 3: Cross multiply
    69,423,520.76x = 104,061,860.40 × 25,676,164.88
  4. Step 4: Simplify right side
    69,423,520.76x = 2,671,909,485,349,943
  5. Step 5: Solve for x
    x = 2,671,909,485,349,943/69,423,520.76
  6. Step 6: Final answer
    x = 38,487,092.79

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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.