Home / 221,616,069.90-332,424,104.85-218,592,761.10

Finding the Fourth Proportional to 221,616,069.90, 332,424,104.85 and 218,592,761.10

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Solution

The fourth proportional to 221,616,069.90, 332,424,104.85 and 218,592,761.10 is: 327,889,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,069.90 : 332,424,104.85 = 218,592,761.10 : x
  2. Step 2: Convert to fraction form
    221,616,069.90/332,424,104.85 = 218,592,761.10/x
  3. Step 3: Cross multiply
    221,616,069.90x = 332,424,104.85 × 218,592,761.10
  4. Step 4: Simplify right side
    221,616,069.90x = 72,665,502,935,357,408
  5. Step 5: Solve for x
    x = 72,665,502,935,357,408/221,616,069.90
  6. Step 6: Final answer
    x = 327,889,141.65

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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.