Home / 221,087,115.60-331,126,788.60-130,387,851.60

Finding the Fourth Proportional to 221,087,115.60, 331,126,788.60 and 130,387,851.60

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Solution

The fourth proportional to 221,087,115.60, 331,126,788.60 and 130,387,851.60 is: 195,284,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,087,115.60 : 331,126,788.60 = 130,387,851.60 : x
  2. Step 2: Convert to fraction form
    221,087,115.60/331,126,788.60 = 130,387,851.60/x
  3. Step 3: Cross multiply
    221,087,115.60x = 331,126,788.60 × 130,387,851.60
  4. Step 4: Simplify right side
    221,087,115.60x = 43,174,910,572,761,376
  5. Step 5: Solve for x
    x = 43,174,910,572,761,376/221,087,115.60
  6. Step 6: Final answer
    x = 195,284,607.41

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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.