Home / 140,100,770.32-193,339,437.96-78,223,323.04

Finding the Fourth Proportional to 140,100,770.32, 193,339,437.96 and 78,223,323.04

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Solution

The fourth proportional to 140,100,770.32, 193,339,437.96 and 78,223,323.04 is: 107,948,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100,770.32 : 193,339,437.96 = 78,223,323.04 : x
  2. Step 2: Convert to fraction form
    140,100,770.32/193,339,437.96 = 78,223,323.04/x
  3. Step 3: Cross multiply
    140,100,770.32x = 193,339,437.96 × 78,223,323.04
  4. Step 4: Simplify right side
    140,100,770.32x = 15,123,653,311,917,120
  5. Step 5: Solve for x
    x = 15,123,653,311,917,120/140,100,770.32
  6. Step 6: Final answer
    x = 107,948,395.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.