Home / 99,552,023.60-149,328,035.40-31,415,601.20

Finding the Fourth Proportional to 99,552,023.60, 149,328,035.40 and 31,415,601.20

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Solution

The fourth proportional to 99,552,023.60, 149,328,035.40 and 31,415,601.20 is: 47,123,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,552,023.60 : 149,328,035.40 = 31,415,601.20 : x
  2. Step 2: Convert to fraction form
    99,552,023.60/149,328,035.40 = 31,415,601.20/x
  3. Step 3: Cross multiply
    99,552,023.60x = 149,328,035.40 × 31,415,601.20
  4. Step 4: Simplify right side
    99,552,023.60x = 4,691,230,008,105,883
  5. Step 5: Solve for x
    x = 4,691,230,008,105,883/99,552,023.60
  6. Step 6: Final answer
    x = 47,123,401.80

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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.