Home / 61,963,821.90-92,954,590.20-21,025,150.20

Finding the Fourth Proportional to 61,963,821.90, 92,954,590.20 and 21,025,150.20

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Solution

The fourth proportional to 61,963,821.90, 92,954,590.20 and 21,025,150.20 is: 31,540,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963,821.90 : 92,954,590.20 = 21,025,150.20 : x
  2. Step 2: Convert to fraction form
    61,963,821.90/92,954,590.20 = 21,025,150.20/x
  3. Step 3: Cross multiply
    61,963,821.90x = 92,954,590.20 × 21,025,150.20
  4. Step 4: Simplify right side
    61,963,821.90x = 1,954,384,220,734,448
  5. Step 5: Solve for x
    x = 1,954,384,220,734,448/61,963,821.90
  6. Step 6: Final answer
    x = 31,540,730.72

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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.