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Finding the Fourth Proportional to 67,876,703.70, 101,815,055.55 and 22,438,498.20

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Solution

The fourth proportional to 67,876,703.70, 101,815,055.55 and 22,438,498.20 is: 33,657,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,876,703.70 : 101,815,055.55 = 22,438,498.20 : x
  2. Step 2: Convert to fraction form
    67,876,703.70/101,815,055.55 = 22,438,498.20/x
  3. Step 3: Cross multiply
    67,876,703.70x = 101,815,055.55 × 22,438,498.20
  4. Step 4: Simplify right side
    67,876,703.70x = 2,284,576,940,691,575
  5. Step 5: Solve for x
    x = 2,284,576,940,691,575/67,876,703.70
  6. Step 6: Final answer
    x = 33,657,747.30

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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.