Home / 99,551,572.60-149,327,358.90-31,415,150.20

Finding the Fourth Proportional to 99,551,572.60, 149,327,358.90 and 31,415,150.20

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Solution

The fourth proportional to 99,551,572.60, 149,327,358.90 and 31,415,150.20 is: 47,122,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,551,572.60 : 149,327,358.90 = 31,415,150.20 : x
  2. Step 2: Convert to fraction form
    99,551,572.60/149,327,358.90 = 31,415,150.20/x
  3. Step 3: Cross multiply
    99,551,572.60x = 149,327,358.90 × 31,415,150.20
  4. Step 4: Simplify right side
    99,551,572.60x = 4,691,141,408,812,807
  5. Step 5: Solve for x
    x = 4,691,141,408,812,807/99,551,572.60
  6. Step 6: Final answer
    x = 47,122,725.30

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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.