Home / 187,466,940.29-281,201,344.64-76,863,024.15

Finding the Fourth Proportional to 187,466,940.29, 281,201,344.64 and 76,863,024.15

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Solution

The fourth proportional to 187,466,940.29, 281,201,344.64 and 76,863,024.15 is: 115,294,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,466,940.29 : 281,201,344.64 = 76,863,024.15 : x
  2. Step 2: Convert to fraction form
    187,466,940.29/281,201,344.64 = 76,863,024.15/x
  3. Step 3: Cross multiply
    187,466,940.29x = 281,201,344.64 × 76,863,024.15
  4. Step 4: Simplify right side
    187,466,940.29x = 21,613,985,743,692,480
  5. Step 5: Solve for x
    x = 21,613,985,743,692,480/187,466,940.29
  6. Step 6: Final answer
    x = 115,294,919.26

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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.