Home / 127,780,221.68-176,421,838.92-75,586,023.28

Finding the Fourth Proportional to 127,780,221.68, 176,421,838.92 and 75,586,023.28

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Solution

The fourth proportional to 127,780,221.68, 176,421,838.92 and 75,586,023.28 is: 104,359,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,780,221.68 : 176,421,838.92 = 75,586,023.28 : x
  2. Step 2: Convert to fraction form
    127,780,221.68/176,421,838.92 = 75,586,023.28/x
  3. Step 3: Cross multiply
    127,780,221.68x = 176,421,838.92 × 75,586,023.28
  4. Step 4: Simplify right side
    127,780,221.68x = 13,335,025,223,707,530
  5. Step 5: Solve for x
    x = 13,335,025,223,707,530/127,780,221.68
  6. Step 6: Final answer
    x = 104,359,070.98

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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.