Home / 121,790,057.27-182,675,897.72-38,788,455.65

Finding the Fourth Proportional to 121,790,057.27, 182,675,897.72 and 38,788,455.65

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Solution

The fourth proportional to 121,790,057.27, 182,675,897.72 and 38,788,455.65 is: 58,179,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,790,057.27 : 182,675,897.72 = 38,788,455.65 : x
  2. Step 2: Convert to fraction form
    121,790,057.27/182,675,897.72 = 38,788,455.65/x
  3. Step 3: Cross multiply
    121,790,057.27x = 182,675,897.72 × 38,788,455.65
  4. Step 4: Simplify right side
    121,790,057.27x = 7,085,715,956,842,214
  5. Step 5: Solve for x
    x = 7,085,715,956,842,214/121,790,057.27
  6. Step 6: Final answer
    x = 58,179,757.16

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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.