Home / 129,072,003.80-193,608,005.70-33,333,891.80

Finding the Fourth Proportional to 129,072,003.80, 193,608,005.70 and 33,333,891.80

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Solution

The fourth proportional to 129,072,003.80, 193,608,005.70 and 33,333,891.80 is: 50,000,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,072,003.80 : 193,608,005.70 = 33,333,891.80 : x
  2. Step 2: Convert to fraction form
    129,072,003.80/193,608,005.70 = 33,333,891.80/x
  3. Step 3: Cross multiply
    129,072,003.80x = 193,608,005.70 × 33,333,891.80
  4. Step 4: Simplify right side
    129,072,003.80x = 6,453,708,313,617,583
  5. Step 5: Solve for x
    x = 6,453,708,313,617,583/129,072,003.80
  6. Step 6: Final answer
    x = 50,000,837.70

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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.