Home / 100,280,869.98-150,434,689.41-39,682,424.22

Finding the Fourth Proportional to 100,280,869.98, 150,434,689.41 and 39,682,424.22

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Solution

The fourth proportional to 100,280,869.98, 150,434,689.41 and 39,682,424.22 is: 59,528,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,280,869.98 : 150,434,689.41 = 39,682,424.22 : x
  2. Step 2: Convert to fraction form
    100,280,869.98/150,434,689.41 = 39,682,424.22/x
  3. Step 3: Cross multiply
    100,280,869.98x = 150,434,689.41 × 39,682,424.22
  4. Step 4: Simplify right side
    100,280,869.98x = 5,969,613,162,571,561
  5. Step 5: Solve for x
    x = 5,969,613,162,571,561/100,280,869.98
  6. Step 6: Final answer
    x = 59,528,932.72

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1.5x scale

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.