Home / 107,976,420.40-161,838,659.40-43,248,218.80

Finding the Fourth Proportional to 107,976,420.40, 161,838,659.40 and 43,248,218.80

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Solution

The fourth proportional to 107,976,420.40, 161,838,659.40 and 43,248,218.80 is: 64,821,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976,420.40 : 161,838,659.40 = 43,248,218.80 : x
  2. Step 2: Convert to fraction form
    107,976,420.40/161,838,659.40 = 43,248,218.80/x
  3. Step 3: Cross multiply
    107,976,420.40x = 161,838,659.40 × 43,248,218.80
  4. Step 4: Simplify right side
    107,976,420.40x = 6,999,233,752,029,876
  5. Step 5: Solve for x
    x = 6,999,233,752,029,876/107,976,420.40
  6. Step 6: Final answer
    x = 64,821,872.46

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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.