Home / 80,850,447.70-121,275,657.70-25,557,097.84

Finding the Fourth Proportional to 80,850,447.70, 121,275,657.70 and 25,557,097.84

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Solution

The fourth proportional to 80,850,447.70, 121,275,657.70 and 25,557,097.84 is: 38,335,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,850,447.70 : 121,275,657.70 = 25,557,097.84 : x
  2. Step 2: Convert to fraction form
    80,850,447.70/121,275,657.70 = 25,557,097.84/x
  3. Step 3: Cross multiply
    80,850,447.70x = 121,275,657.70 × 25,557,097.84
  4. Step 4: Simplify right side
    80,850,447.70x = 3,099,453,849,432,468.50
  5. Step 5: Solve for x
    x = 3,099,453,849,432,468.50/80,850,447.70
  6. Step 6: Final answer
    x = 38,335,642.38

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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.