Home / 127,735,480.56-176,275,030.50-68,998,144.26

Finding the Fourth Proportional to 127,735,480.56, 176,275,030.50 and 68,998,144.26

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Solution

The fourth proportional to 127,735,480.56, 176,275,030.50 and 68,998,144.26 is: 95,217,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,735,480.56 : 176,275,030.50 = 68,998,144.26 : x
  2. Step 2: Convert to fraction form
    127,735,480.56/176,275,030.50 = 68,998,144.26/x
  3. Step 3: Cross multiply
    127,735,480.56x = 176,275,030.50 × 68,998,144.26
  4. Step 4: Simplify right side
    127,735,480.56x = 12,162,649,983,874,900
  5. Step 5: Solve for x
    x = 12,162,649,983,874,900/127,735,480.56
  6. Step 6: Final answer
    x = 95,217,475.45

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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.