Home / 87,380,171.60-120,629,968.24-63,832,266.88

Finding the Fourth Proportional to 87,380,171.60, 120,629,968.24 and 63,832,266.88

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Solution

The fourth proportional to 87,380,171.60, 120,629,968.24 and 63,832,266.88 is: 88,121,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,380,171.60 : 120,629,968.24 = 63,832,266.88 : x
  2. Step 2: Convert to fraction form
    87,380,171.60/120,629,968.24 = 63,832,266.88/x
  3. Step 3: Cross multiply
    87,380,171.60x = 120,629,968.24 × 63,832,266.88
  4. Step 4: Simplify right side
    87,380,171.60x = 7,700,084,326,421,604
  5. Step 5: Solve for x
    x = 7,700,084,326,421,604/87,380,171.60
  6. Step 6: Final answer
    x = 88,121,643.45

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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.