Home / 157,400,781.10-236,101,171.65-92,638,105.90

Finding the Fourth Proportional to 157,400,781.10, 236,101,171.65 and 92,638,105.90

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Solution

The fourth proportional to 157,400,781.10, 236,101,171.65 and 92,638,105.90 is: 138,957,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400,781.10 : 236,101,171.65 = 92,638,105.90 : x
  2. Step 2: Convert to fraction form
    157,400,781.10/236,101,171.65 = 92,638,105.90/x
  3. Step 3: Cross multiply
    157,400,781.10x = 236,101,171.65 × 92,638,105.90
  4. Step 4: Simplify right side
    157,400,781.10x = 21,871,965,342,426,780
  5. Step 5: Solve for x
    x = 21,871,965,342,426,780/157,400,781.10
  6. Step 6: Final answer
    x = 138,957,158.85

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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.