Home / 83,268,019.70-124,902,029.55-74,339,810.90

Finding the Fourth Proportional to 83,268,019.70, 124,902,029.55 and 74,339,810.90

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Solution

The fourth proportional to 83,268,019.70, 124,902,029.55 and 74,339,810.90 is: 111,509,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268,019.70 : 124,902,029.55 = 74,339,810.90 : x
  2. Step 2: Convert to fraction form
    83,268,019.70/124,902,029.55 = 74,339,810.90/x
  3. Step 3: Cross multiply
    83,268,019.70x = 124,902,029.55 × 74,339,810.90
  4. Step 4: Simplify right side
    83,268,019.70x = 9,285,193,257,773,212
  5. Step 5: Solve for x
    x = 9,285,193,257,773,212/83,268,019.70
  6. Step 6: Final answer
    x = 111,509,716.35

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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.