Home / 129,775,107.80-194,662,661.70-119,921,360.60

Finding the Fourth Proportional to 129,775,107.80, 194,662,661.70 and 119,921,360.60

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Solution

The fourth proportional to 129,775,107.80, 194,662,661.70 and 119,921,360.60 is: 179,882,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,775,107.80 : 194,662,661.70 = 119,921,360.60 : x
  2. Step 2: Convert to fraction form
    129,775,107.80/194,662,661.70 = 119,921,360.60/x
  3. Step 3: Cross multiply
    129,775,107.80x = 194,662,661.70 × 119,921,360.60
  4. Step 4: Simplify right side
    129,775,107.80x = 23,344,211,249,081,508
  5. Step 5: Solve for x
    x = 23,344,211,249,081,508/129,775,107.80
  6. Step 6: Final answer
    x = 179,882,040.90

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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.