Home / 220,829,861.40-331,244,792.10-75,427,603.80

Finding the Fourth Proportional to 220,829,861.40, 331,244,792.10 and 75,427,603.80

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Solution

The fourth proportional to 220,829,861.40, 331,244,792.10 and 75,427,603.80 is: 113,141,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,829,861.40 : 331,244,792.10 = 75,427,603.80 : x
  2. Step 2: Convert to fraction form
    220,829,861.40/331,244,792.10 = 75,427,603.80/x
  3. Step 3: Cross multiply
    220,829,861.40x = 331,244,792.10 × 75,427,603.80
  4. Step 4: Simplify right side
    220,829,861.40x = 24,985,000,939,332,172
  5. Step 5: Solve for x
    x = 24,985,000,939,332,172/220,829,861.40
  6. Step 6: Final answer
    x = 113,141,405.70

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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.