Home / 221,337,405.30-332,055,874.35-67,990,538.10

Finding the Fourth Proportional to 221,337,405.30, 332,055,874.35 and 67,990,538.10

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Solution

The fourth proportional to 221,337,405.30, 332,055,874.35 and 67,990,538.10 is: 102,001,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,405.30 : 332,055,874.35 = 67,990,538.10 : x
  2. Step 2: Convert to fraction form
    221,337,405.30/332,055,874.35 = 67,990,538.10/x
  3. Step 3: Cross multiply
    221,337,405.30x = 332,055,874.35 × 67,990,538.10
  4. Step 4: Simplify right side
    221,337,405.30x = 22,576,657,576,322,488
  5. Step 5: Solve for x
    x = 22,576,657,576,322,488/221,337,405.30
  6. Step 6: Final answer
    x = 102,001,094.42

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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.