Home / 140,617,723.74-194,054,010.85-77,894,782.44

Finding the Fourth Proportional to 140,617,723.74, 194,054,010.85 and 77,894,782.44

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Solution

The fourth proportional to 140,617,723.74, 194,054,010.85 and 77,894,782.44 is: 107,495,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,723.74 : 194,054,010.85 = 77,894,782.44 : x
  2. Step 2: Convert to fraction form
    140,617,723.74/194,054,010.85 = 77,894,782.44/x
  3. Step 3: Cross multiply
    140,617,723.74x = 194,054,010.85 × 77,894,782.44
  4. Step 4: Simplify right side
    140,617,723.74x = 15,115,794,955,799,880
  5. Step 5: Solve for x
    x = 15,115,794,955,799,880/140,617,723.74
  6. Step 6: Final answer
    x = 107,495,659.54

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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.