Home / 129,952,409.70-194,928,614.55-53,330,427.30

Finding the Fourth Proportional to 129,952,409.70, 194,928,614.55 and 53,330,427.30

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Solution

The fourth proportional to 129,952,409.70, 194,928,614.55 and 53,330,427.30 is: 79,995,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,952,409.70 : 194,928,614.55 = 53,330,427.30 : x
  2. Step 2: Convert to fraction form
    129,952,409.70/194,928,614.55 = 53,330,427.30/x
  3. Step 3: Cross multiply
    129,952,409.70x = 194,928,614.55 × 53,330,427.30
  4. Step 4: Simplify right side
    129,952,409.70x = 10,395,626,306,948,498
  5. Step 5: Solve for x
    x = 10,395,626,306,948,498/129,952,409.70
  6. Step 6: Final answer
    x = 79,995,640.95

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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.