Home / 108,900,188.60-163,206,815.70-80,010,793.40

Finding the Fourth Proportional to 108,900,188.60, 163,206,815.70 and 80,010,793.40

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Solution

The fourth proportional to 108,900,188.60, 163,206,815.70 and 80,010,793.40 is: 119,910,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,900,188.60 : 163,206,815.70 = 80,010,793.40 : x
  2. Step 2: Convert to fraction form
    108,900,188.60/163,206,815.70 = 80,010,793.40/x
  3. Step 3: Cross multiply
    108,900,188.60x = 163,206,815.70 × 80,010,793.40
  4. Step 4: Simplify right side
    108,900,188.60x = 13,058,306,812,444,576
  5. Step 5: Solve for x
    x = 13,058,306,812,444,576/108,900,188.60
  6. Step 6: Final answer
    x = 119,910,782.34

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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.