Home / 80,575,712.92-120,893,496.56-55,970,675.07

Finding the Fourth Proportional to 80,575,712.92, 120,893,496.56 and 55,970,675.07

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Solution

The fourth proportional to 80,575,712.92, 120,893,496.56 and 55,970,675.07 is: 83,976,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575,712.92 : 120,893,496.56 = 55,970,675.07 : x
  2. Step 2: Convert to fraction form
    80,575,712.92/120,893,496.56 = 55,970,675.07/x
  3. Step 3: Cross multiply
    80,575,712.92x = 120,893,496.56 × 55,970,675.07
  4. Step 4: Simplify right side
    80,575,712.92x = 6,766,490,614,035,923
  5. Step 5: Solve for x
    x = 6,766,490,614,035,923/80,575,712.92
  6. Step 6: Final answer
    x = 83,976,801.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.