Home / 79,115,605.48-118,855,287.90-55,825,949.80

Finding the Fourth Proportional to 79,115,605.48, 118,855,287.90 and 55,825,949.80

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Solution

The fourth proportional to 79,115,605.48, 118,855,287.90 and 55,825,949.80 is: 83,867,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115,605.48 : 118,855,287.90 = 55,825,949.80 : x
  2. Step 2: Convert to fraction form
    79,115,605.48/118,855,287.90 = 55,825,949.80/x
  3. Step 3: Cross multiply
    79,115,605.48x = 118,855,287.90 × 55,825,949.80
  4. Step 4: Simplify right side
    79,115,605.48x = 6,635,209,335,769,947
  5. Step 5: Solve for x
    x = 6,635,209,335,769,947/79,115,605.48
  6. Step 6: Final answer
    x = 83,867,263.55

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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.