Home / 127,920,653.76-176,530,502.32-69,183,318.56

Finding the Fourth Proportional to 127,920,653.76, 176,530,502.32 and 69,183,318.56

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Solution

The fourth proportional to 127,920,653.76, 176,530,502.32 and 69,183,318.56 is: 95,472,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920,653.76 : 176,530,502.32 = 69,183,318.56 : x
  2. Step 2: Convert to fraction form
    127,920,653.76/176,530,502.32 = 69,183,318.56/x
  3. Step 3: Cross multiply
    127,920,653.76x = 176,530,502.32 × 69,183,318.56
  4. Step 4: Simplify right side
    127,920,653.76x = 12,212,965,977,561,378
  5. Step 5: Solve for x
    x = 12,212,965,977,561,378/127,920,653.76
  6. Step 6: Final answer
    x = 95,472,979.68

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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.