Home / 129,968,008.80-194,952,013.20-129,072,213.60

Finding the Fourth Proportional to 129,968,008.80, 194,952,013.20 and 129,072,213.60

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Solution

The fourth proportional to 129,968,008.80, 194,952,013.20 and 129,072,213.60 is: 193,608,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968,008.80 : 194,952,013.20 = 129,072,213.60 : x
  2. Step 2: Convert to fraction form
    129,968,008.80/194,952,013.20 = 129,072,213.60/x
  3. Step 3: Cross multiply
    129,968,008.80x = 194,952,013.20 × 129,072,213.60
  4. Step 4: Simplify right side
    129,968,008.80x = 25,162,887,889,500,416
  5. Step 5: Solve for x
    x = 25,162,887,889,500,416/129,968,008.80
  6. Step 6: Final answer
    x = 193,608,320.40

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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.