Home / 35,954,675.20-53,932,012.80-20,800,806.40

Finding the Fourth Proportional to 35,954,675.20, 53,932,012.80 and 20,800,806.40

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Solution

The fourth proportional to 35,954,675.20, 53,932,012.80 and 20,800,806.40 is: 31,201,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954,675.20 : 53,932,012.80 = 20,800,806.40 : x
  2. Step 2: Convert to fraction form
    35,954,675.20/53,932,012.80 = 20,800,806.40/x
  3. Step 3: Cross multiply
    35,954,675.20x = 53,932,012.80 × 20,800,806.40
  4. Step 4: Simplify right side
    35,954,675.20x = 1,121,829,357,015,121.75
  5. Step 5: Solve for x
    x = 1,121,829,357,015,121.75/35,954,675.20
  6. Step 6: Final answer
    x = 31,201,209.60

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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.