Home / 81,079,865.10-121,626,435.20-23,572,065.87

Finding the Fourth Proportional to 81,079,865.10, 121,626,435.20 and 23,572,065.87

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Solution

The fourth proportional to 81,079,865.10, 121,626,435.20 and 23,572,065.87 is: 35,360,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,079,865.10 : 121,626,435.20 = 23,572,065.87 : x
  2. Step 2: Convert to fraction form
    81,079,865.10/121,626,435.20 = 23,572,065.87/x
  3. Step 3: Cross multiply
    81,079,865.10x = 121,626,435.20 × 23,572,065.87
  4. Step 4: Simplify right side
    81,079,865.10x = 2,866,986,341,949,826.50
  5. Step 5: Solve for x
    x = 2,866,986,341,949,826.50/81,079,865.10
  6. Step 6: Final answer
    x = 35,360,028.52

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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.