Home / 220,126,089.60-330,189,134.40-169,264,828.80

Finding the Fourth Proportional to 220,126,089.60, 330,189,134.40 and 169,264,828.80

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Solution

The fourth proportional to 220,126,089.60, 330,189,134.40 and 169,264,828.80 is: 253,897,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,126,089.60 : 330,189,134.40 = 169,264,828.80 : x
  2. Step 2: Convert to fraction form
    220,126,089.60/330,189,134.40 = 169,264,828.80/x
  3. Step 3: Cross multiply
    220,126,089.60x = 330,189,134.40 × 169,264,828.80
  4. Step 4: Simplify right side
    220,126,089.60x = 55,889,407,305,836,192
  5. Step 5: Solve for x
    x = 55,889,407,305,836,192/220,126,089.60
  6. Step 6: Final answer
    x = 253,897,243.20

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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.