Home / 127,733,970-176,272,851.34-68,996,635.72

Finding the Fourth Proportional to 127,733,970, 176,272,851.34 and 68,996,635.72

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Solution

The fourth proportional to 127,733,970, 176,272,851.34 and 68,996,635.72 is: 95,215,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733,970 : 176,272,851.34 = 68,996,635.72 : x
  2. Step 2: Convert to fraction form
    127,733,970/176,272,851.34 = 68,996,635.72/x
  3. Step 3: Cross multiply
    127,733,970x = 176,272,851.34 × 68,996,635.72
  4. Step 4: Simplify right side
    127,733,970x = 12,162,233,711,231,694
  5. Step 5: Solve for x
    x = 12,162,233,711,231,694/127,733,970
  6. Step 6: Final answer
    x = 95,215,342.57

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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.