Home / 125,512,263.20-188,160,568.56-43,620,501.92

Finding the Fourth Proportional to 125,512,263.20, 188,160,568.56 and 43,620,501.92

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Solution

The fourth proportional to 125,512,263.20, 188,160,568.56 and 43,620,501.92 is: 65,393,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512,263.20 : 188,160,568.56 = 43,620,501.92 : x
  2. Step 2: Convert to fraction form
    125,512,263.20/188,160,568.56 = 43,620,501.92/x
  3. Step 3: Cross multiply
    125,512,263.20x = 188,160,568.56 × 43,620,501.92
  4. Step 4: Simplify right side
    125,512,263.20x = 8,207,658,442,139,772
  5. Step 5: Solve for x
    x = 8,207,658,442,139,772/125,512,263.20
  6. Step 6: Final answer
    x = 65,393,278.97

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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.