Home / 81,570,136.32-112,569,550.74-44,401,772.43

Finding the Fourth Proportional to 81,570,136.32, 112,569,550.74 and 44,401,772.43

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Solution

The fourth proportional to 81,570,136.32, 112,569,550.74 and 44,401,772.43 is: 61,275,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,570,136.32 : 112,569,550.74 = 44,401,772.43 : x
  2. Step 2: Convert to fraction form
    81,570,136.32/112,569,550.74 = 44,401,772.43/x
  3. Step 3: Cross multiply
    81,570,136.32x = 112,569,550.74 × 44,401,772.43
  4. Step 4: Simplify right side
    81,570,136.32x = 4,998,287,574,504,818
  5. Step 5: Solve for x
    x = 4,998,287,574,504,818/81,570,136.32
  6. Step 6: Final answer
    x = 61,275,949.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.