Home / 129,952,404.20-194,928,606.30-53,330,421.80

Finding the Fourth Proportional to 129,952,404.20, 194,928,606.30 and 53,330,421.80

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Solution

The fourth proportional to 129,952,404.20, 194,928,606.30 and 53,330,421.80 is: 79,995,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,952,404.20 : 194,928,606.30 = 53,330,421.80 : x
  2. Step 2: Convert to fraction form
    129,952,404.20/194,928,606.30 = 53,330,421.80/x
  3. Step 3: Cross multiply
    129,952,404.20x = 194,928,606.30 × 53,330,421.80
  4. Step 4: Simplify right side
    129,952,404.20x = 10,395,624,794,865,138
  5. Step 5: Solve for x
    x = 10,395,624,794,865,138/129,952,404.20
  6. Step 6: Final answer
    x = 79,995,632.70

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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.