Home / 105,923,748.80-159,034,922.40-65,612,964.80

Finding the Fourth Proportional to 105,923,748.80, 159,034,922.40 and 65,612,964.80

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Solution

The fourth proportional to 105,923,748.80, 159,034,922.40 and 65,612,964.80 is: 98,511,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923,748.80 : 159,034,922.40 = 65,612,964.80 : x
  2. Step 2: Convert to fraction form
    105,923,748.80/159,034,922.40 = 65,612,964.80/x
  3. Step 3: Cross multiply
    105,923,748.80x = 159,034,922.40 × 65,612,964.80
  4. Step 4: Simplify right side
    105,923,748.80x = 10,434,752,765,401,932
  5. Step 5: Solve for x
    x = 10,434,752,765,401,932/105,923,748.80
  6. Step 6: Final answer
    x = 98,511,928.47

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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.