Home / 76,822,240.10-115,233,360.15-48,156,793.70

Finding the Fourth Proportional to 76,822,240.10, 115,233,360.15 and 48,156,793.70

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Solution

The fourth proportional to 76,822,240.10, 115,233,360.15 and 48,156,793.70 is: 72,235,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822,240.10 : 115,233,360.15 = 48,156,793.70 : x
  2. Step 2: Convert to fraction form
    76,822,240.10/115,233,360.15 = 48,156,793.70/x
  3. Step 3: Cross multiply
    76,822,240.10x = 115,233,360.15 × 48,156,793.70
  4. Step 4: Simplify right side
    76,822,240.10x = 5,549,269,152,101,352
  5. Step 5: Solve for x
    x = 5,549,269,152,101,352/76,822,240.10
  6. Step 6: Final answer
    x = 72,235,190.55

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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.