Home / 221,343,934.20-332,015,901.30-67,989,744.60

Finding the Fourth Proportional to 221,343,934.20, 332,015,901.30 and 67,989,744.60

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Solution

The fourth proportional to 221,343,934.20, 332,015,901.30 and 67,989,744.60 is: 101,984,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,343,934.20 : 332,015,901.30 = 67,989,744.60 : x
  2. Step 2: Convert to fraction form
    221,343,934.20/332,015,901.30 = 67,989,744.60/x
  3. Step 3: Cross multiply
    221,343,934.20x = 332,015,901.30 × 67,989,744.60
  4. Step 4: Simplify right side
    221,343,934.20x = 22,573,676,332,525,808
  5. Step 5: Solve for x
    x = 22,573,676,332,525,808/221,343,934.20
  6. Step 6: Final answer
    x = 101,984,616.90

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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.