Home / 135,687,302.08-203,017,338.70-80,384,818.74

Finding the Fourth Proportional to 135,687,302.08, 203,017,338.70 and 80,384,818.74

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Solution

The fourth proportional to 135,687,302.08, 203,017,338.70 and 80,384,818.74 is: 120,272,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,687,302.08 : 203,017,338.70 = 80,384,818.74 : x
  2. Step 2: Convert to fraction form
    135,687,302.08/203,017,338.70 = 80,384,818.74/x
  3. Step 3: Cross multiply
    135,687,302.08x = 203,017,338.70 × 80,384,818.74
  4. Step 4: Simplify right side
    135,687,302.08x = 16,319,511,971,514,410
  5. Step 5: Solve for x
    x = 16,319,511,971,514,410/135,687,302.08
  6. Step 6: Final answer
    x = 120,272,949.06

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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.