Home / 87,328,821.60-130,993,232.40-29,812,471.20

Finding the Fourth Proportional to 87,328,821.60, 130,993,232.40 and 29,812,471.20

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Solution

The fourth proportional to 87,328,821.60, 130,993,232.40 and 29,812,471.20 is: 44,718,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328,821.60 : 130,993,232.40 = 29,812,471.20 : x
  2. Step 2: Convert to fraction form
    87,328,821.60/130,993,232.40 = 29,812,471.20/x
  3. Step 3: Cross multiply
    87,328,821.60x = 130,993,232.40 × 29,812,471.20
  4. Step 4: Simplify right side
    87,328,821.60x = 3,905,231,968,319,907
  5. Step 5: Solve for x
    x = 3,905,231,968,319,907/87,328,821.60
  6. Step 6: Final answer
    x = 44,718,706.80

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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.