Home / 108,015,060.61-162,015,864.87-66,523,832.13

Finding the Fourth Proportional to 108,015,060.61, 162,015,864.87 and 66,523,832.13

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Solution

The fourth proportional to 108,015,060.61, 162,015,864.87 and 66,523,832.13 is: 99,781,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,015,060.61 : 162,015,864.87 = 66,523,832.13 : x
  2. Step 2: Convert to fraction form
    108,015,060.61/162,015,864.87 = 66,523,832.13/x
  3. Step 3: Cross multiply
    108,015,060.61x = 162,015,864.87 × 66,523,832.13
  4. Step 4: Simplify right side
    108,015,060.61x = 10,777,916,197,091,368
  5. Step 5: Solve for x
    x = 10,777,916,197,091,368/108,015,060.61
  6. Step 6: Final answer
    x = 99,781,605.79

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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.