Home / 125,894,132.10-188,841,198.15-74,749,824.90

Finding the Fourth Proportional to 125,894,132.10, 188,841,198.15 and 74,749,824.90

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Solution

The fourth proportional to 125,894,132.10, 188,841,198.15 and 74,749,824.90 is: 112,124,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894,132.10 : 188,841,198.15 = 74,749,824.90 : x
  2. Step 2: Convert to fraction form
    125,894,132.10/188,841,198.15 = 74,749,824.90/x
  3. Step 3: Cross multiply
    125,894,132.10x = 188,841,198.15 × 74,749,824.90
  4. Step 4: Simplify right side
    125,894,132.10x = 14,115,846,495,618,706
  5. Step 5: Solve for x
    x = 14,115,846,495,618,706/125,894,132.10
  6. Step 6: Final answer
    x = 112,124,737.35

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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.