Home / 71,854,470.03-107,780,148.82-20,037,690.09

Finding the Fourth Proportional to 71,854,470.03, 107,780,148.82 and 20,037,690.09

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Solution

The fourth proportional to 71,854,470.03, 107,780,148.82 and 20,037,690.09 is: 30,056,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,854,470.03 : 107,780,148.82 = 20,037,690.09 : x
  2. Step 2: Convert to fraction form
    71,854,470.03/107,780,148.82 = 20,037,690.09/x
  3. Step 3: Cross multiply
    71,854,470.03x = 107,780,148.82 × 20,037,690.09
  4. Step 4: Simplify right side
    71,854,470.03x = 2,159,665,219,909,239
  5. Step 5: Solve for x
    x = 2,159,665,219,909,239/71,854,470.03
  6. Step 6: Final answer
    x = 30,056,101.16

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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.