Home / 127,558,856.20-176,031,174.72-69,612,104.20

Finding the Fourth Proportional to 127,558,856.20, 176,031,174.72 and 69,612,104.20

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Solution

The fourth proportional to 127,558,856.20, 176,031,174.72 and 69,612,104.20 is: 96,064,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,558,856.20 : 176,031,174.72 = 69,612,104.20 : x
  2. Step 2: Convert to fraction form
    127,558,856.20/176,031,174.72 = 69,612,104.20/x
  3. Step 3: Cross multiply
    127,558,856.20x = 176,031,174.72 × 69,612,104.20
  4. Step 4: Simplify right side
    127,558,856.20x = 12,253,900,477,057,046
  5. Step 5: Solve for x
    x = 12,253,900,477,057,046/127,558,856.20
  6. Step 6: Final answer
    x = 96,064,678.24

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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.