Home / 135,448,248.44-186,915,403.52-79,697,279.90

Finding the Fourth Proportional to 135,448,248.44, 186,915,403.52 and 79,697,279.90

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Solution

The fourth proportional to 135,448,248.44, 186,915,403.52 and 79,697,279.90 is: 109,980,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,448,248.44 : 186,915,403.52 = 79,697,279.90 : x
  2. Step 2: Convert to fraction form
    135,448,248.44/186,915,403.52 = 79,697,279.90/x
  3. Step 3: Cross multiply
    135,448,248.44x = 186,915,403.52 × 79,697,279.90
  4. Step 4: Simplify right side
    135,448,248.44x = 14,896,649,231,954,888
  5. Step 5: Solve for x
    x = 14,896,649,231,954,888/135,448,248.44
  6. Step 6: Final answer
    x = 109,980,375.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.