Home / 87,696,002.60-131,544,003.90-42,262,389.80

Finding the Fourth Proportional to 87,696,002.60, 131,544,003.90 and 42,262,389.80

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Solution

The fourth proportional to 87,696,002.60, 131,544,003.90 and 42,262,389.80 is: 63,393,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696,002.60 : 131,544,003.90 = 42,262,389.80 : x
  2. Step 2: Convert to fraction form
    87,696,002.60/131,544,003.90 = 42,262,389.80/x
  3. Step 3: Cross multiply
    87,696,002.60x = 131,544,003.90 × 42,262,389.80
  4. Step 4: Simplify right side
    87,696,002.60x = 5,559,363,968,674,520
  5. Step 5: Solve for x
    x = 5,559,363,968,674,520/87,696,002.60
  6. Step 6: Final answer
    x = 63,393,584.70

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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.