Home / 99,552,065.60-149,328,098.40-31,415,643.20

Finding the Fourth Proportional to 99,552,065.60, 149,328,098.40 and 31,415,643.20

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Solution

The fourth proportional to 99,552,065.60, 149,328,098.40 and 31,415,643.20 is: 47,123,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,552,065.60 : 149,328,098.40 = 31,415,643.20 : x
  2. Step 2: Convert to fraction form
    99,552,065.60/149,328,098.40 = 31,415,643.20/x
  3. Step 3: Cross multiply
    99,552,065.60x = 149,328,098.40 × 31,415,643.20
  4. Step 4: Simplify right side
    99,552,065.60x = 4,691,238,259,068,891
  5. Step 5: Solve for x
    x = 4,691,238,259,068,891/99,552,065.60
  6. Step 6: Final answer
    x = 47,123,464.80

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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.