Home / 119,111,481.20-178,625,231.40-42,437,010.80

Finding the Fourth Proportional to 119,111,481.20, 178,625,231.40 and 42,437,010.80

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Solution

The fourth proportional to 119,111,481.20, 178,625,231.40 and 42,437,010.80 is: 63,640,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,111,481.20 : 178,625,231.40 = 42,437,010.80 : x
  2. Step 2: Convert to fraction form
    119,111,481.20/178,625,231.40 = 42,437,010.80/x
  3. Step 3: Cross multiply
    119,111,481.20x = 178,625,231.40 × 42,437,010.80
  4. Step 4: Simplify right side
    119,111,481.20x = 7,580,320,874,074,299
  5. Step 5: Solve for x
    x = 7,580,320,874,074,299/119,111,481.20
  6. Step 6: Final answer
    x = 63,640,555.87

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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.