Home / 99,551,570.60-149,327,355.90-31,415,148.20

Finding the Fourth Proportional to 99,551,570.60, 149,327,355.90 and 31,415,148.20

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Solution

The fourth proportional to 99,551,570.60, 149,327,355.90 and 31,415,148.20 is: 47,122,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,551,570.60 : 149,327,355.90 = 31,415,148.20 : x
  2. Step 2: Convert to fraction form
    99,551,570.60/149,327,355.90 = 31,415,148.20/x
  3. Step 3: Cross multiply
    99,551,570.60x = 149,327,355.90 × 31,415,148.20
  4. Step 4: Simplify right side
    99,551,570.60x = 4,691,141,015,912,644
  5. Step 5: Solve for x
    x = 4,691,141,015,912,644/99,551,570.60
  6. Step 6: Final answer
    x = 47,122,722.30

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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.