Home / 108,900,186.60-163,206,812.70-80,010,791.40

Finding the Fourth Proportional to 108,900,186.60, 163,206,812.70 and 80,010,791.40

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Solution

The fourth proportional to 108,900,186.60, 163,206,812.70 and 80,010,791.40 is: 119,910,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,900,186.60 : 163,206,812.70 = 80,010,791.40 : x
  2. Step 2: Convert to fraction form
    108,900,186.60/163,206,812.70 = 80,010,791.40/x
  3. Step 3: Cross multiply
    108,900,186.60x = 163,206,812.70 × 80,010,791.40
  4. Step 4: Simplify right side
    108,900,186.60x = 13,058,306,245,998,570
  5. Step 5: Solve for x
    x = 13,058,306,245,998,570/108,900,186.60
  6. Step 6: Final answer
    x = 119,910,779.34

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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.