Home / 141,794,255.20-212,691,382.80-121,386,920.80

Finding the Fourth Proportional to 141,794,255.20, 212,691,382.80 and 121,386,920.80

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Solution

The fourth proportional to 141,794,255.20, 212,691,382.80 and 121,386,920.80 is: 182,080,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,794,255.20 : 212,691,382.80 = 121,386,920.80 : x
  2. Step 2: Convert to fraction form
    141,794,255.20/212,691,382.80 = 121,386,920.80/x
  3. Step 3: Cross multiply
    141,794,255.20x = 212,691,382.80 × 121,386,920.80
  4. Step 4: Simplify right side
    141,794,255.20x = 25,817,952,038,786,084
  5. Step 5: Solve for x
    x = 25,817,952,038,786,084/141,794,255.20
  6. Step 6: Final answer
    x = 182,080,381.20

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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.