Home / 111,963,612.20-167,945,418.30-105,586,320.20

Finding the Fourth Proportional to 111,963,612.20, 167,945,418.30 and 105,586,320.20

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Solution

The fourth proportional to 111,963,612.20, 167,945,418.30 and 105,586,320.20 is: 158,379,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963,612.20 : 167,945,418.30 = 105,586,320.20 : x
  2. Step 2: Convert to fraction form
    111,963,612.20/167,945,418.30 = 105,586,320.20/x
  3. Step 3: Cross multiply
    111,963,612.20x = 167,945,418.30 × 105,586,320.20
  4. Step 4: Simplify right side
    111,963,612.20x = 17,732,738,712,746,742
  5. Step 5: Solve for x
    x = 17,732,738,712,746,742/111,963,612.20
  6. Step 6: Final answer
    x = 158,379,480.30

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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.