Home / 123,686,231.06-185,488,149.66-49,890,951.62

Finding the Fourth Proportional to 123,686,231.06, 185,488,149.66 and 49,890,951.62

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Solution

The fourth proportional to 123,686,231.06, 185,488,149.66 and 49,890,951.62 is: 74,819,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,686,231.06 : 185,488,149.66 = 49,890,951.62 : x
  2. Step 2: Convert to fraction form
    123,686,231.06/185,488,149.66 = 49,890,951.62/x
  3. Step 3: Cross multiply
    123,686,231.06x = 185,488,149.66 × 49,890,951.62
  4. Step 4: Simplify right side
    123,686,231.06x = 9,254,180,301,394,984
  5. Step 5: Solve for x
    x = 9,254,180,301,394,984/123,686,231.06
  6. Step 6: Final answer
    x = 74,819,809.95

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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.