Home / 82,067,020.36-123,142,959.18-36,041,235.39

Finding the Fourth Proportional to 82,067,020.36, 123,142,959.18 and 36,041,235.39

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Solution

The fourth proportional to 82,067,020.36, 123,142,959.18 and 36,041,235.39 is: 54,080,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,067,020.36 : 123,142,959.18 = 36,041,235.39 : x
  2. Step 2: Convert to fraction form
    82,067,020.36/123,142,959.18 = 36,041,235.39/x
  3. Step 3: Cross multiply
    82,067,020.36x = 123,142,959.18 × 36,041,235.39
  4. Step 4: Simplify right side
    82,067,020.36x = 4,438,224,378,427,541.50
  5. Step 5: Solve for x
    x = 4,438,224,378,427,541.50/82,067,020.36
  6. Step 6: Final answer
    x = 54,080,486.40

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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.