Home / 178,787,629.80-268,181,444.70-154,553,920.20

Finding the Fourth Proportional to 178,787,629.80, 268,181,444.70 and 154,553,920.20

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Solution

The fourth proportional to 178,787,629.80, 268,181,444.70 and 154,553,920.20 is: 231,830,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,787,629.80 : 268,181,444.70 = 154,553,920.20 : x
  2. Step 2: Convert to fraction form
    178,787,629.80/268,181,444.70 = 154,553,920.20/x
  3. Step 3: Cross multiply
    178,787,629.80x = 268,181,444.70 × 154,553,920.20
  4. Step 4: Simplify right side
    178,787,629.80x = 41,448,493,603,284,504
  5. Step 5: Solve for x
    x = 41,448,493,603,284,504/178,787,629.80
  6. Step 6: Final answer
    x = 231,830,880.30

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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.