Home / 268,380,186.83-402,525,435.77-74,311,219.65

Finding the Fourth Proportional to 268,380,186.83, 402,525,435.77 and 74,311,219.65

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Solution

The fourth proportional to 268,380,186.83, 402,525,435.77 and 74,311,219.65 is: 111,454,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,380,186.83 : 402,525,435.77 = 74,311,219.65 : x
  2. Step 2: Convert to fraction form
    268,380,186.83/402,525,435.77 = 74,311,219.65/x
  3. Step 3: Cross multiply
    268,380,186.83x = 402,525,435.77 × 74,311,219.65
  4. Step 4: Simplify right side
    268,380,186.83x = 29,912,156,072,216,436
  5. Step 5: Solve for x
    x = 29,912,156,072,216,436/268,380,186.83
  6. Step 6: Final answer
    x = 111,454,412.58

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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.