Home / 134,624,083.20-185,795,996.16-78,121,275.84

Finding the Fourth Proportional to 134,624,083.20, 185,795,996.16 and 78,121,275.84

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Solution

The fourth proportional to 134,624,083.20, 185,795,996.16 and 78,121,275.84 is: 107,815,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,624,083.20 : 185,795,996.16 = 78,121,275.84 : x
  2. Step 2: Convert to fraction form
    134,624,083.20/185,795,996.16 = 78,121,275.84/x
  3. Step 3: Cross multiply
    134,624,083.20x = 185,795,996.16 × 78,121,275.84
  4. Step 4: Simplify right side
    134,624,083.20x = 14,514,620,265,982,942
  5. Step 5: Solve for x
    x = 14,514,620,265,982,942/134,624,083.20
  6. Step 6: Final answer
    x = 107,815,926.55

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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.