Home / 71,479,401.60-107,219,102.40-59,575,123.20

Finding the Fourth Proportional to 71,479,401.60, 107,219,102.40 and 59,575,123.20

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Solution

The fourth proportional to 71,479,401.60, 107,219,102.40 and 59,575,123.20 is: 89,362,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,479,401.60 : 107,219,102.40 = 59,575,123.20 : x
  2. Step 2: Convert to fraction form
    71,479,401.60/107,219,102.40 = 59,575,123.20/x
  3. Step 3: Cross multiply
    71,479,401.60x = 107,219,102.40 × 59,575,123.20
  4. Step 4: Simplify right side
    71,479,401.60x = 6,387,591,234,873,416
  5. Step 5: Solve for x
    x = 6,387,591,234,873,416/71,479,401.60
  6. Step 6: Final answer
    x = 89,362,684.80

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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.