Home / 187,827,324.80-281,740,987.20-130,431,696.80

Finding the Fourth Proportional to 187,827,324.80, 281,740,987.20 and 130,431,696.80

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Solution

The fourth proportional to 187,827,324.80, 281,740,987.20 and 130,431,696.80 is: 195,647,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,827,324.80 : 281,740,987.20 = 130,431,696.80 : x
  2. Step 2: Convert to fraction form
    187,827,324.80/281,740,987.20 = 130,431,696.80/x
  3. Step 3: Cross multiply
    187,827,324.80x = 281,740,987.20 × 130,431,696.80
  4. Step 4: Simplify right side
    187,827,324.80x = 36,747,955,018,603,080
  5. Step 5: Solve for x
    x = 36,747,955,018,603,080/187,827,324.80
  6. Step 6: Final answer
    x = 195,647,545.20

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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.