Home / 221,962,407.40-332,943,611.10-68,623,964.20

Finding the Fourth Proportional to 221,962,407.40, 332,943,611.10 and 68,623,964.20

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Solution

The fourth proportional to 221,962,407.40, 332,943,611.10 and 68,623,964.20 is: 102,935,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,962,407.40 : 332,943,611.10 = 68,623,964.20 : x
  2. Step 2: Convert to fraction form
    221,962,407.40/332,943,611.10 = 68,623,964.20/x
  3. Step 3: Cross multiply
    221,962,407.40x = 332,943,611.10 × 68,623,964.20
  4. Step 4: Simplify right side
    221,962,407.40x = 22,847,910,448,745,124
  5. Step 5: Solve for x
    x = 22,847,910,448,745,124/221,962,407.40
  6. Step 6: Final answer
    x = 102,935,946.30

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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.