Home / 141,178,049.64-194,830,434.27-78,456,791.52

Finding the Fourth Proportional to 141,178,049.64, 194,830,434.27 and 78,456,791.52

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Solution

The fourth proportional to 141,178,049.64, 194,830,434.27 and 78,456,791.52 is: 108,272,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178,049.64 : 194,830,434.27 = 78,456,791.52 : x
  2. Step 2: Convert to fraction form
    141,178,049.64/194,830,434.27 = 78,456,791.52/x
  3. Step 3: Cross multiply
    141,178,049.64x = 194,830,434.27 × 78,456,791.52
  4. Step 4: Simplify right side
    141,178,049.64x = 15,285,770,763,272,454
  5. Step 5: Solve for x
    x = 15,285,770,763,272,454/141,178,049.64
  6. Step 6: Final answer
    x = 108,272,998.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.