Home / 113,419,862.40-170,017,819.20-55,865,020.80

Finding the Fourth Proportional to 113,419,862.40, 170,017,819.20 and 55,865,020.80

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Solution

The fourth proportional to 113,419,862.40, 170,017,819.20 and 55,865,020.80 is: 83,742,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,419,862.40 : 170,017,819.20 = 55,865,020.80 : x
  2. Step 2: Convert to fraction form
    113,419,862.40/170,017,819.20 = 55,865,020.80/x
  3. Step 3: Cross multiply
    113,419,862.40x = 170,017,819.20 × 55,865,020.80
  4. Step 4: Simplify right side
    113,419,862.40x = 9,498,049,005,978,638
  5. Step 5: Solve for x
    x = 9,498,049,005,978,638/113,419,862.40
  6. Step 6: Final answer
    x = 83,742,378.14

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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.