Home / 127,702,571.61-176,229,542.12-68,965,231.06

Finding the Fourth Proportional to 127,702,571.61, 176,229,542.12 and 68,965,231.06

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Solution

The fourth proportional to 127,702,571.61, 176,229,542.12 and 68,965,231.06 is: 95,172,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702,571.61 : 176,229,542.12 = 68,965,231.06 : x
  2. Step 2: Convert to fraction form
    127,702,571.61/176,229,542.12 = 68,965,231.06/x
  3. Step 3: Cross multiply
    127,702,571.61x = 176,229,542.12 × 68,965,231.06
  4. Step 4: Simplify right side
    127,702,571.61x = 12,153,711,091,903,802
  5. Step 5: Solve for x
    x = 12,153,711,091,903,802/127,702,571.61
  6. Step 6: Final answer
    x = 95,172,015.24

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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.