Home / 221,339,739.18-332,081,443.06-65,894,891.71

Finding the Fourth Proportional to 221,339,739.18, 332,081,443.06 and 65,894,891.71

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Solution

The fourth proportional to 221,339,739.18, 332,081,443.06 and 65,894,891.71 is: 98,863,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,339,739.18 : 332,081,443.06 = 65,894,891.71 : x
  2. Step 2: Convert to fraction form
    221,339,739.18/332,081,443.06 = 65,894,891.71/x
  3. Step 3: Cross multiply
    221,339,739.18x = 332,081,443.06 × 65,894,891.71
  4. Step 4: Simplify right side
    221,339,739.18x = 21,882,470,730,459,352
  5. Step 5: Solve for x
    x = 21,882,470,730,459,352/221,339,739.18
  6. Step 6: Final answer
    x = 98,863,723.30

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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.