Home / 108,432,522-149,637,930.12-59,540,999.76

Finding the Fourth Proportional to 108,432,522, 149,637,930.12 and 59,540,999.76

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Solution

The fourth proportional to 108,432,522, 149,637,930.12 and 59,540,999.76 is: 82,167,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,432,522 : 149,637,930.12 = 59,540,999.76 : x
  2. Step 2: Convert to fraction form
    108,432,522/149,637,930.12 = 59,540,999.76/x
  3. Step 3: Cross multiply
    108,432,522x = 149,637,930.12 × 59,540,999.76
  4. Step 4: Simplify right side
    108,432,522x = 8,909,591,961,361,817
  5. Step 5: Solve for x
    x = 8,909,591,961,361,817/108,432,522
  6. Step 6: Final answer
    x = 82,167,156.10

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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.