Home / 108,866,399.70-163,313,596.35-54,306,873.30

Finding the Fourth Proportional to 108,866,399.70, 163,313,596.35 and 54,306,873.30

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Solution

The fourth proportional to 108,866,399.70, 163,313,596.35 and 54,306,873.30 is: 81,467,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,399.70 : 163,313,596.35 = 54,306,873.30 : x
  2. Step 2: Convert to fraction form
    108,866,399.70/163,313,596.35 = 54,306,873.30/x
  3. Step 3: Cross multiply
    108,866,399.70x = 163,313,596.35 × 54,306,873.30
  4. Step 4: Simplify right side
    108,866,399.70x = 8,869,050,785,146,792
  5. Step 5: Solve for x
    x = 8,869,050,785,146,792/108,866,399.70
  6. Step 6: Final answer
    x = 81,467,292.11

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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.