Home / 220,288,809.60-330,433,214.40-105,497,553.60

Finding the Fourth Proportional to 220,288,809.60, 330,433,214.40 and 105,497,553.60

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Solution

The fourth proportional to 220,288,809.60, 330,433,214.40 and 105,497,553.60 is: 158,246,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,288,809.60 : 330,433,214.40 = 105,497,553.60 : x
  2. Step 2: Convert to fraction form
    220,288,809.60/330,433,214.40 = 105,497,553.60/x
  3. Step 3: Cross multiply
    220,288,809.60x = 330,433,214.40 × 105,497,553.60
  4. Step 4: Simplify right side
    220,288,809.60x = 34,859,895,747,384,288
  5. Step 5: Solve for x
    x = 34,859,895,747,384,288/220,288,809.60
  6. Step 6: Final answer
    x = 158,246,330.40

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1.5x scale

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.