Home / 140,617,723.24-194,054,010.16-77,894,781.94

Finding the Fourth Proportional to 140,617,723.24, 194,054,010.16 and 77,894,781.94

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Solution

The fourth proportional to 140,617,723.24, 194,054,010.16 and 77,894,781.94 is: 107,495,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,723.24 : 194,054,010.16 = 77,894,781.94 : x
  2. Step 2: Convert to fraction form
    140,617,723.24/194,054,010.16 = 77,894,781.94/x
  3. Step 3: Cross multiply
    140,617,723.24x = 194,054,010.16 × 77,894,781.94
  4. Step 4: Simplify right side
    140,617,723.24x = 15,115,794,805,025,474
  5. Step 5: Solve for x
    x = 15,115,794,805,025,474/140,617,723.24
  6. Step 6: Final answer
    x = 107,495,658.85

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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.