Home / 76,969,337.60-115,293,043.20-36,063,689.60

Finding the Fourth Proportional to 76,969,337.60, 115,293,043.20 and 36,063,689.60

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Solution

The fourth proportional to 76,969,337.60, 115,293,043.20 and 36,063,689.60 is: 54,020,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,969,337.60 : 115,293,043.20 = 36,063,689.60 : x
  2. Step 2: Convert to fraction form
    76,969,337.60/115,293,043.20 = 36,063,689.60/x
  3. Step 3: Cross multiply
    76,969,337.60x = 115,293,043.20 × 36,063,689.60
  4. Step 4: Simplify right side
    76,969,337.60x = 4,157,892,523,004,191
  5. Step 5: Solve for x
    x = 4,157,892,523,004,191/76,969,337.60
  6. Step 6: Final answer
    x = 54,020,115.71

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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.