Home / 220,176,241.40-330,180,381.30-66,771,313.40

Finding the Fourth Proportional to 220,176,241.40, 330,180,381.30 and 66,771,313.40

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Solution

The fourth proportional to 220,176,241.40, 330,180,381.30 and 66,771,313.40 is: 100,131,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,176,241.40 : 330,180,381.30 = 66,771,313.40 : x
  2. Step 2: Convert to fraction form
    220,176,241.40/330,180,381.30 = 66,771,313.40/x
  3. Step 3: Cross multiply
    220,176,241.40x = 330,180,381.30 × 66,771,313.40
  4. Step 4: Simplify right side
    220,176,241.40x = 22,046,577,718,313,800
  5. Step 5: Solve for x
    x = 22,046,577,718,313,800/220,176,241.40
  6. Step 6: Final answer
    x = 100,131,501.83

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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.