Home / 139,600,171.65-192,642,022.59-80,018,753.79

Finding the Fourth Proportional to 139,600,171.65, 192,642,022.59 and 80,018,753.79

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Solution

The fourth proportional to 139,600,171.65, 192,642,022.59 and 80,018,753.79 is: 110,422,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,600,171.65 : 192,642,022.59 = 80,018,753.79 : x
  2. Step 2: Convert to fraction form
    139,600,171.65/192,642,022.59 = 80,018,753.79/x
  3. Step 3: Cross multiply
    139,600,171.65x = 192,642,022.59 × 80,018,753.79
  4. Step 4: Simplify right side
    139,600,171.65x = 15,414,974,575,026,058
  5. Step 5: Solve for x
    x = 15,414,974,575,026,058/139,600,171.65
  6. Step 6: Final answer
    x = 110,422,318.20

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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.