Home / 145,523,234.60-218,284,851.90-87,324,540.20

Finding the Fourth Proportional to 145,523,234.60, 218,284,851.90 and 87,324,540.20

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Solution

The fourth proportional to 145,523,234.60, 218,284,851.90 and 87,324,540.20 is: 130,986,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523,234.60 : 218,284,851.90 = 87,324,540.20 : x
  2. Step 2: Convert to fraction form
    145,523,234.60/218,284,851.90 = 87,324,540.20/x
  3. Step 3: Cross multiply
    145,523,234.60x = 218,284,851.90 × 87,324,540.20
  4. Step 4: Simplify right side
    145,523,234.60x = 19,061,624,324,792,596
  5. Step 5: Solve for x
    x = 19,061,624,324,792,596/145,523,234.60
  6. Step 6: Final answer
    x = 130,986,810.30

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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.