Home / 129,378,072,553.21-194,071,062,425.16-44,386,674,873.83

Finding the Fourth Proportional to 129,378,072,553.21, 194,071,062,425.16 and 44,386,674,873.83

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Solution

The fourth proportional to 129,378,072,553.21, 194,071,062,425.16 and 44,386,674,873.83 is: 66,581,368,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,072,553.21 : 194,071,062,425.16 = 44,386,674,873.83 : x
  2. Step 2: Convert to fraction form
    129,378,072,553.21/194,071,062,425.16 = 44,386,674,873.83/x
  3. Step 3: Cross multiply
    129,378,072,553.21x = 194,071,062,425.16 × 44,386,674,873.83
  4. Step 4: Simplify right side
    129,378,072,553.21x = 8,614,169,150,284,730,728,448
  5. Step 5: Solve for x
    x = 8,614,169,150,284,730,728,448/129,378,072,553.21
  6. Step 6: Final answer
    x = 66,581,368,699.41

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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.