Home / 54,679,969.30-82,019,953.95-29,107,815.70

Finding the Fourth Proportional to 54,679,969.30, 82,019,953.95 and 29,107,815.70

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Solution

The fourth proportional to 54,679,969.30, 82,019,953.95 and 29,107,815.70 is: 43,661,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679,969.30 : 82,019,953.95 = 29,107,815.70 : x
  2. Step 2: Convert to fraction form
    54,679,969.30/82,019,953.95 = 29,107,815.70/x
  3. Step 3: Cross multiply
    54,679,969.30x = 82,019,953.95 × 29,107,815.70
  4. Step 4: Simplify right side
    54,679,969.30x = 2,387,421,703,299,087
  5. Step 5: Solve for x
    x = 2,387,421,703,299,087/54,679,969.30
  6. Step 6: Final answer
    x = 43,661,723.55

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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.