Home / 221,336,699.90-332,005,049.85-67,982,510.30

Finding the Fourth Proportional to 221,336,699.90, 332,005,049.85 and 67,982,510.30

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Solution

The fourth proportional to 221,336,699.90, 332,005,049.85 and 67,982,510.30 is: 101,973,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,336,699.90 : 332,005,049.85 = 67,982,510.30 : x
  2. Step 2: Convert to fraction form
    221,336,699.90/332,005,049.85 = 67,982,510.30/x
  3. Step 3: Cross multiply
    221,336,699.90x = 332,005,049.85 × 67,982,510.30
  4. Step 4: Simplify right side
    221,336,699.90x = 22,570,536,721,079,640
  5. Step 5: Solve for x
    x = 22,570,536,721,079,640/221,336,699.90
  6. Step 6: Final answer
    x = 101,973,765.45

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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.