Home / 87,974,607.60-131,961,911.40-47,159,938.80

Finding the Fourth Proportional to 87,974,607.60, 131,961,911.40 and 47,159,938.80

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Solution

The fourth proportional to 87,974,607.60, 131,961,911.40 and 47,159,938.80 is: 70,739,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,974,607.60 : 131,961,911.40 = 47,159,938.80 : x
  2. Step 2: Convert to fraction form
    87,974,607.60/131,961,911.40 = 47,159,938.80/x
  3. Step 3: Cross multiply
    87,974,607.60x = 131,961,911.40 × 47,159,938.80
  4. Step 4: Simplify right side
    87,974,607.60x = 6,223,315,665,555,022
  5. Step 5: Solve for x
    x = 6,223,315,665,555,022/87,974,607.60
  6. Step 6: Final answer
    x = 70,739,908.20

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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.