Home / 220,183,729.80-330,275,594.70-90,724,702.20

Finding the Fourth Proportional to 220,183,729.80, 330,275,594.70 and 90,724,702.20

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Solution

The fourth proportional to 220,183,729.80, 330,275,594.70 and 90,724,702.20 is: 136,087,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,183,729.80 : 330,275,594.70 = 90,724,702.20 : x
  2. Step 2: Convert to fraction form
    220,183,729.80/330,275,594.70 = 90,724,702.20/x
  3. Step 3: Cross multiply
    220,183,729.80x = 330,275,594.70 × 90,724,702.20
  4. Step 4: Simplify right side
    220,183,729.80x = 29,964,154,973,085,400
  5. Step 5: Solve for x
    x = 29,964,154,973,085,400/220,183,729.80
  6. Step 6: Final answer
    x = 136,087,053.30

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