Home / 187,986,061.18-281,864,117.14-89,647,844.87

Finding the Fourth Proportional to 187,986,061.18, 281,864,117.14 and 89,647,844.87

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Solution

The fourth proportional to 187,986,061.18, 281,864,117.14 and 89,647,844.87 is: 134,416,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,986,061.18 : 281,864,117.14 = 89,647,844.87 : x
  2. Step 2: Convert to fraction form
    187,986,061.18/281,864,117.14 = 89,647,844.87/x
  3. Step 3: Cross multiply
    187,986,061.18x = 281,864,117.14 × 89,647,844.87
  4. Step 4: Simplify right side
    187,986,061.18x = 25,268,510,648,266,768
  5. Step 5: Solve for x
    x = 25,268,510,648,266,768/187,986,061.18
  6. Step 6: Final answer
    x = 134,416,937.56

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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.