Home / 76,822,406.60-115,233,609.90-48,156,960.20

Finding the Fourth Proportional to 76,822,406.60, 115,233,609.90 and 48,156,960.20

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Solution

The fourth proportional to 76,822,406.60, 115,233,609.90 and 48,156,960.20 is: 72,235,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822,406.60 : 115,233,609.90 = 48,156,960.20 : x
  2. Step 2: Convert to fraction form
    76,822,406.60/115,233,609.90 = 48,156,960.20/x
  3. Step 3: Cross multiply
    76,822,406.60x = 115,233,609.90 × 48,156,960.20
  4. Step 4: Simplify right side
    76,822,406.60x = 5,549,300,365,656,627
  5. Step 5: Solve for x
    x = 5,549,300,365,656,627/76,822,406.60
  6. Step 6: Final answer
    x = 72,235,440.30

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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.