Home / 186,787,250.10-279,802,961.55-129,344,382.90

Finding the Fourth Proportional to 186,787,250.10, 279,802,961.55 and 129,344,382.90

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Solution

The fourth proportional to 186,787,250.10, 279,802,961.55 and 129,344,382.90 is: 193,754,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787,250.10 : 279,802,961.55 = 129,344,382.90 : x
  2. Step 2: Convert to fraction form
    186,787,250.10/279,802,961.55 = 129,344,382.90/x
  3. Step 3: Cross multiply
    186,787,250.10x = 279,802,961.55 × 129,344,382.90
  4. Step 4: Simplify right side
    186,787,250.10x = 36,190,941,395,277,184
  5. Step 5: Solve for x
    x = 36,190,941,395,277,184/186,787,250.10
  6. Step 6: Final answer
    x = 193,754,880.89

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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.