Home / 99,609,069.60-149,413,604.40-61,145,863.20

Finding the Fourth Proportional to 99,609,069.60, 149,413,604.40 and 61,145,863.20

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Solution

The fourth proportional to 99,609,069.60, 149,413,604.40 and 61,145,863.20 is: 91,718,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,609,069.60 : 149,413,604.40 = 61,145,863.20 : x
  2. Step 2: Convert to fraction form
    99,609,069.60/149,413,604.40 = 61,145,863.20/x
  3. Step 3: Cross multiply
    99,609,069.60x = 149,413,604.40 × 61,145,863.20
  4. Step 4: Simplify right side
    99,609,069.60x = 9,136,023,814,861,318
  5. Step 5: Solve for x
    x = 9,136,023,814,861,318/99,609,069.60
  6. Step 6: Final answer
    x = 91,718,794.80

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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.