Home / 122,174,711.24-168,596,763.48-67,170,167.24

Finding the Fourth Proportional to 122,174,711.24, 168,596,763.48 and 67,170,167.24

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Solution

The fourth proportional to 122,174,711.24, 168,596,763.48 and 67,170,167.24 is: 92,692,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,174,711.24 : 168,596,763.48 = 67,170,167.24 : x
  2. Step 2: Convert to fraction form
    122,174,711.24/168,596,763.48 = 67,170,167.24/x
  3. Step 3: Cross multiply
    122,174,711.24x = 168,596,763.48 × 67,170,167.24
  4. Step 4: Simplify right side
    122,174,711.24x = 11,324,672,799,074,322
  5. Step 5: Solve for x
    x = 11,324,672,799,074,322/122,174,711.24
  6. Step 6: Final answer
    x = 92,692,445.79

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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.