Home / 109,149,418.62-163,637,762.49-40,984,518.78

Finding the Fourth Proportional to 109,149,418.62, 163,637,762.49 and 40,984,518.78

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Solution

The fourth proportional to 109,149,418.62, 163,637,762.49 and 40,984,518.78 is: 61,444,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149,418.62 : 163,637,762.49 = 40,984,518.78 : x
  2. Step 2: Convert to fraction form
    109,149,418.62/163,637,762.49 = 40,984,518.78/x
  3. Step 3: Cross multiply
    109,149,418.62x = 163,637,762.49 × 40,984,518.78
  4. Step 4: Simplify right side
    109,149,418.62x = 6,706,614,949,888,585
  5. Step 5: Solve for x
    x = 6,706,614,949,888,585/109,149,418.62
  6. Step 6: Final answer
    x = 61,444,348.81

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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.