Home / 108,609,577.20-162,914,365.80-87,086,216.70

Finding the Fourth Proportional to 108,609,577.20, 162,914,365.80 and 87,086,216.70

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Solution

The fourth proportional to 108,609,577.20, 162,914,365.80 and 87,086,216.70 is: 130,629,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,609,577.20 : 162,914,365.80 = 87,086,216.70 : x
  2. Step 2: Convert to fraction form
    108,609,577.20/162,914,365.80 = 87,086,216.70/x
  3. Step 3: Cross multiply
    108,609,577.20x = 162,914,365.80 × 87,086,216.70
  4. Step 4: Simplify right side
    108,609,577.20x = 14,187,595,763,601,870
  5. Step 5: Solve for x
    x = 14,187,595,763,601,870/108,609,577.20
  6. Step 6: Final answer
    x = 130,629,325.05

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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.