Home / 223,520,709.20-335,281,063.80-196,646,853.20

Finding the Fourth Proportional to 223,520,709.20, 335,281,063.80 and 196,646,853.20

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Solution

The fourth proportional to 223,520,709.20, 335,281,063.80 and 196,646,853.20 is: 294,970,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,520,709.20 : 335,281,063.80 = 196,646,853.20 : x
  2. Step 2: Convert to fraction form
    223,520,709.20/335,281,063.80 = 196,646,853.20/x
  3. Step 3: Cross multiply
    223,520,709.20x = 335,281,063.80 × 196,646,853.20
  4. Step 4: Simplify right side
    223,520,709.20x = 65,931,966,133,818,432
  5. Step 5: Solve for x
    x = 65,931,966,133,818,432/223,520,709.20
  6. Step 6: Final answer
    x = 294,970,279.80

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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.