Home / 129,775,111.80-194,662,667.70-119,921,364.60

Finding the Fourth Proportional to 129,775,111.80, 194,662,667.70 and 119,921,364.60

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Solution

The fourth proportional to 129,775,111.80, 194,662,667.70 and 119,921,364.60 is: 179,882,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,775,111.80 : 194,662,667.70 = 119,921,364.60 : x
  2. Step 2: Convert to fraction form
    129,775,111.80/194,662,667.70 = 119,921,364.60/x
  3. Step 3: Cross multiply
    129,775,111.80x = 194,662,667.70 × 119,921,364.60
  4. Step 4: Simplify right side
    129,775,111.80x = 23,344,212,747,260,340
  5. Step 5: Solve for x
    x = 23,344,212,747,260,340/129,775,111.80
  6. Step 6: Final answer
    x = 179,882,046.90

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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.