Home / 69,851,542.43-104,792,650.03-20,663,545.01

Finding the Fourth Proportional to 69,851,542.43, 104,792,650.03 and 20,663,545.01

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Solution

The fourth proportional to 69,851,542.43, 104,792,650.03 and 20,663,545.01 is: 30,999,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851,542.43 : 104,792,650.03 = 20,663,545.01 : x
  2. Step 2: Convert to fraction form
    69,851,542.43/104,792,650.03 = 20,663,545.01/x
  3. Step 3: Cross multiply
    69,851,542.43x = 104,792,650.03 × 20,663,545.01
  4. Step 4: Simplify right side
    69,851,542.43x = 2,165,387,640,088,119.50
  5. Step 5: Solve for x
    x = 2,165,387,640,088,119.50/69,851,542.43
  6. Step 6: Final answer
    x = 30,999,854.33

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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.