Home / 107,769,458.30-161,756,387.52-66,704,680.10

Finding the Fourth Proportional to 107,769,458.30, 161,756,387.52 and 66,704,680.10

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Solution

The fourth proportional to 107,769,458.30, 161,756,387.52 and 66,704,680.10 is: 100,120,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,769,458.30 : 161,756,387.52 = 66,704,680.10 : x
  2. Step 2: Convert to fraction form
    107,769,458.30/161,756,387.52 = 66,704,680.10/x
  3. Step 3: Cross multiply
    107,769,458.30x = 161,756,387.52 × 66,704,680.10
  4. Step 4: Simplify right side
    107,769,458.30x = 10,789,908,083,653,234
  5. Step 5: Solve for x
    x = 10,789,908,083,653,234/107,769,458.30
  6. Step 6: Final answer
    x = 100,120,277.62

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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.