Home / 121,790,055.52-182,675,895.09-38,788,453.90

Finding the Fourth Proportional to 121,790,055.52, 182,675,895.09 and 38,788,453.90

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Solution

The fourth proportional to 121,790,055.52, 182,675,895.09 and 38,788,453.90 is: 58,179,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,790,055.52 : 182,675,895.09 = 38,788,453.90 : x
  2. Step 2: Convert to fraction form
    121,790,055.52/182,675,895.09 = 38,788,453.90/x
  3. Step 3: Cross multiply
    121,790,055.52x = 182,675,895.09 × 38,788,453.90
  4. Step 4: Simplify right side
    121,790,055.52x = 7,085,715,535,339,701
  5. Step 5: Solve for x
    x = 7,085,715,535,339,701/121,790,055.52
  6. Step 6: Final answer
    x = 58,179,754.54

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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.