Home / 153,379,711.50-230,074,291.17-67,073,693.10

Finding the Fourth Proportional to 153,379,711.50, 230,074,291.17 and 67,073,693.10

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Solution

The fourth proportional to 153,379,711.50, 230,074,291.17 and 67,073,693.10 is: 100,612,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379,711.50 : 230,074,291.17 = 67,073,693.10 : x
  2. Step 2: Convert to fraction form
    153,379,711.50/230,074,291.17 = 67,073,693.10/x
  3. Step 3: Cross multiply
    153,379,711.50x = 230,074,291.17 × 67,073,693.10
  4. Step 4: Simplify right side
    153,379,711.50x = 15,431,932,396,136,620
  5. Step 5: Solve for x
    x = 15,431,932,396,136,620/153,379,711.50
  6. Step 6: Final answer
    x = 100,612,605.44

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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.