Home / 109,181,744.80-163,772,617.20-51,786,116.80

Finding the Fourth Proportional to 109,181,744.80, 163,772,617.20 and 51,786,116.80

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Solution

The fourth proportional to 109,181,744.80, 163,772,617.20 and 51,786,116.80 is: 77,679,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181,744.80 : 163,772,617.20 = 51,786,116.80 : x
  2. Step 2: Convert to fraction form
    109,181,744.80/163,772,617.20 = 51,786,116.80/x
  3. Step 3: Cross multiply
    109,181,744.80x = 163,772,617.20 × 51,786,116.80
  4. Step 4: Simplify right side
    109,181,744.80x = 8,481,147,882,960,888
  5. Step 5: Solve for x
    x = 8,481,147,882,960,888/109,181,744.80
  6. Step 6: Final answer
    x = 77,679,175.20

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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.