Home / 40,454,759.80-60,682,139.70-39,782,913.40

Finding the Fourth Proportional to 40,454,759.80, 60,682,139.70 and 39,782,913.40

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Solution

The fourth proportional to 40,454,759.80, 60,682,139.70 and 39,782,913.40 is: 59,674,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454,759.80 : 60,682,139.70 = 39,782,913.40 : x
  2. Step 2: Convert to fraction form
    40,454,759.80/60,682,139.70 = 39,782,913.40/x
  3. Step 3: Cross multiply
    40,454,759.80x = 60,682,139.70 × 39,782,913.40
  4. Step 4: Simplify right side
    40,454,759.80x = 2,414,112,308,611,802
  5. Step 5: Solve for x
    x = 2,414,112,308,611,802/40,454,759.80
  6. Step 6: Final answer
    x = 59,674,370.10

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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.