Home / 55,360,078.20-83,040,117.30-39,204,271.80

Finding the Fourth Proportional to 55,360,078.20, 83,040,117.30 and 39,204,271.80

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Solution

The fourth proportional to 55,360,078.20, 83,040,117.30 and 39,204,271.80 is: 58,806,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360,078.20 : 83,040,117.30 = 39,204,271.80 : x
  2. Step 2: Convert to fraction form
    55,360,078.20/83,040,117.30 = 39,204,271.80/x
  3. Step 3: Cross multiply
    55,360,078.20x = 83,040,117.30 × 39,204,271.80
  4. Step 4: Simplify right side
    55,360,078.20x = 3,255,527,328,933,082
  5. Step 5: Solve for x
    x = 3,255,527,328,933,082/55,360,078.20
  6. Step 6: Final answer
    x = 58,806,407.70

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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.