Home / 129,072,002.80-193,608,004.20-33,333,890.80

Finding the Fourth Proportional to 129,072,002.80, 193,608,004.20 and 33,333,890.80

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Solution

The fourth proportional to 129,072,002.80, 193,608,004.20 and 33,333,890.80 is: 50,000,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,072,002.80 : 193,608,004.20 = 33,333,890.80 : x
  2. Step 2: Convert to fraction form
    129,072,002.80/193,608,004.20 = 33,333,890.80/x
  3. Step 3: Cross multiply
    129,072,002.80x = 193,608,004.20 × 33,333,890.80
  4. Step 4: Simplify right side
    129,072,002.80x = 6,453,708,070,008,741
  5. Step 5: Solve for x
    x = 6,453,708,070,008,741/129,072,002.80
  6. Step 6: Final answer
    x = 50,000,836.20

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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.