Home / 119,988,993.20-180,049,012-50,891,048.72

Finding the Fourth Proportional to 119,988,993.20, 180,049,012 and 50,891,048.72

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Solution

The fourth proportional to 119,988,993.20, 180,049,012 and 50,891,048.72 is: 76,364,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,988,993.20 : 180,049,012 = 50,891,048.72 : x
  2. Step 2: Convert to fraction form
    119,988,993.20/180,049,012 = 50,891,048.72/x
  3. Step 3: Cross multiply
    119,988,993.20x = 180,049,012 × 50,891,048.72
  4. Step 4: Simplify right side
    119,988,993.20x = 9,162,883,041,679,864
  5. Step 5: Solve for x
    x = 9,162,883,041,679,864/119,988,993.20
  6. Step 6: Final answer
    x = 76,364,363.07

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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.