Home / 220,185,534.30-330,278,301.45-90,726,506.70

Finding the Fourth Proportional to 220,185,534.30, 330,278,301.45 and 90,726,506.70

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Solution

The fourth proportional to 220,185,534.30, 330,278,301.45 and 90,726,506.70 is: 136,089,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185,534.30 : 330,278,301.45 = 90,726,506.70 : x
  2. Step 2: Convert to fraction form
    220,185,534.30/330,278,301.45 = 90,726,506.70/x
  3. Step 3: Cross multiply
    220,185,534.30x = 330,278,301.45 × 90,726,506.70
  4. Step 4: Simplify right side
    220,185,534.30x = 29,964,996,529,368,044
  5. Step 5: Solve for x
    x = 29,964,996,529,368,044/220,185,534.30
  6. Step 6: Final answer
    x = 136,089,760.05

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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.