Home / 140,703,876.44-194,171,367.92-77,984,023.70

Finding the Fourth Proportional to 140,703,876.44, 194,171,367.92 and 77,984,023.70

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Solution

The fourth proportional to 140,703,876.44, 194,171,367.92 and 77,984,023.70 is: 107,617,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,876.44 : 194,171,367.92 = 77,984,023.70 : x
  2. Step 2: Convert to fraction form
    140,703,876.44/194,171,367.92 = 77,984,023.70/x
  3. Step 3: Cross multiply
    140,703,876.44x = 194,171,367.92 × 77,984,023.70
  4. Step 4: Simplify right side
    140,703,876.44x = 15,142,264,557,830,208
  5. Step 5: Solve for x
    x = 15,142,264,557,830,208/140,703,876.44
  6. Step 6: Final answer
    x = 107,617,962.92

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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.