Home / 119,744,067.70-179,616,101.55-81,480,315.70

Finding the Fourth Proportional to 119,744,067.70, 179,616,101.55 and 81,480,315.70

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Solution

The fourth proportional to 119,744,067.70, 179,616,101.55 and 81,480,315.70 is: 122,220,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744,067.70 : 179,616,101.55 = 81,480,315.70 : x
  2. Step 2: Convert to fraction form
    119,744,067.70/179,616,101.55 = 81,480,315.70/x
  3. Step 3: Cross multiply
    119,744,067.70x = 179,616,101.55 × 81,480,315.70
  4. Step 4: Simplify right side
    119,744,067.70x = 14,635,176,659,097,260
  5. Step 5: Solve for x
    x = 14,635,176,659,097,260/119,744,067.70
  6. Step 6: Final answer
    x = 122,220,473.55

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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.