Home / 187,986,068.94-281,864,128.75-89,647,852.63

Finding the Fourth Proportional to 187,986,068.94, 281,864,128.75 and 89,647,852.63

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Solution

The fourth proportional to 187,986,068.94, 281,864,128.75 and 89,647,852.63 is: 134,416,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,986,068.94 : 281,864,128.75 = 89,647,852.63 : x
  2. Step 2: Convert to fraction form
    187,986,068.94/281,864,128.75 = 89,647,852.63/x
  3. Step 3: Cross multiply
    187,986,068.94x = 281,864,128.75 × 89,647,852.63
  4. Step 4: Simplify right side
    187,986,068.94x = 25,268,513,875,863,344
  5. Step 5: Solve for x
    x = 25,268,513,875,863,344/187,986,068.94
  6. Step 6: Final answer
    x = 134,416,949.18

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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.