Home / 157,400,778.10-236,101,167.15-92,638,102.90

Finding the Fourth Proportional to 157,400,778.10, 236,101,167.15 and 92,638,102.90

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Solution

The fourth proportional to 157,400,778.10, 236,101,167.15 and 92,638,102.90 is: 138,957,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400,778.10 : 236,101,167.15 = 92,638,102.90 : x
  2. Step 2: Convert to fraction form
    157,400,778.10/236,101,167.15 = 92,638,102.90/x
  3. Step 3: Cross multiply
    157,400,778.10x = 236,101,167.15 × 92,638,102.90
  4. Step 4: Simplify right side
    157,400,778.10x = 21,871,964,217,251,800
  5. Step 5: Solve for x
    x = 21,871,964,217,251,800/157,400,778.10
  6. Step 6: Final answer
    x = 138,957,154.35

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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.