Home / 108,302,742.52-162,438,134.10-31,605,177.40

Finding the Fourth Proportional to 108,302,742.52, 162,438,134.10 and 31,605,177.40

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Solution

The fourth proportional to 108,302,742.52, 162,438,134.10 and 31,605,177.40 is: 47,403,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,302,742.52 : 162,438,134.10 = 31,605,177.40 : x
  2. Step 2: Convert to fraction form
    108,302,742.52/162,438,134.10 = 31,605,177.40/x
  3. Step 3: Cross multiply
    108,302,742.52x = 162,438,134.10 × 31,605,177.40
  4. Step 4: Simplify right side
    108,302,742.52x = 5,133,886,044,755,489
  5. Step 5: Solve for x
    x = 5,133,886,044,755,489/108,302,742.52
  6. Step 6: Final answer
    x = 47,403,102.87

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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.