Home / 221,962,409.40-332,943,614.10-68,623,966.20

Finding the Fourth Proportional to 221,962,409.40, 332,943,614.10 and 68,623,966.20

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Solution

The fourth proportional to 221,962,409.40, 332,943,614.10 and 68,623,966.20 is: 102,935,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,962,409.40 : 332,943,614.10 = 68,623,966.20 : x
  2. Step 2: Convert to fraction form
    221,962,409.40/332,943,614.10 = 68,623,966.20/x
  3. Step 3: Cross multiply
    221,962,409.40x = 332,943,614.10 × 68,623,966.20
  4. Step 4: Simplify right side
    221,962,409.40x = 22,847,911,320,504,248
  5. Step 5: Solve for x
    x = 22,847,911,320,504,248/221,962,409.40
  6. Step 6: Final answer
    x = 102,935,949.30

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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.