Home / 45,371,920.80-67,995,673.20-29,148,074.40

Finding the Fourth Proportional to 45,371,920.80, 67,995,673.20 and 29,148,074.40

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Solution

The fourth proportional to 45,371,920.80, 67,995,673.20 and 29,148,074.40 is: 43,682,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371,920.80 : 67,995,673.20 = 29,148,074.40 : x
  2. Step 2: Convert to fraction form
    45,371,920.80/67,995,673.20 = 29,148,074.40/x
  3. Step 3: Cross multiply
    45,371,920.80x = 67,995,673.20 × 29,148,074.40
  4. Step 4: Simplify right side
    45,371,920.80x = 1,981,942,941,311,686
  5. Step 5: Solve for x
    x = 1,981,942,941,311,686/45,371,920.80
  6. Step 6: Final answer
    x = 43,682,147.60

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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.