Home / 87,909,347.67-131,865,134.55-33,307,265.91

Finding the Fourth Proportional to 87,909,347.67, 131,865,134.55 and 33,307,265.91

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Solution

The fourth proportional to 87,909,347.67, 131,865,134.55 and 33,307,265.91 is: 49,961,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,909,347.67 : 131,865,134.55 = 33,307,265.91 : x
  2. Step 2: Convert to fraction form
    87,909,347.67/131,865,134.55 = 33,307,265.91/x
  3. Step 3: Cross multiply
    87,909,347.67x = 131,865,134.55 × 33,307,265.91
  4. Step 4: Simplify right side
    87,909,347.67x = 4,392,067,100,714,778
  5. Step 5: Solve for x
    x = 4,392,067,100,714,778/87,909,347.67
  6. Step 6: Final answer
    x = 49,961,320.58

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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.