Home / 54,221,801.75-74,828,231.90-30,379,634.61

Finding the Fourth Proportional to 54,221,801.75, 74,828,231.90 and 30,379,634.61

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Solution

The fourth proportional to 54,221,801.75, 74,828,231.90 and 30,379,634.61 is: 41,925,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221,801.75 : 74,828,231.90 = 30,379,634.61 : x
  2. Step 2: Convert to fraction form
    54,221,801.75/74,828,231.90 = 30,379,634.61/x
  3. Step 3: Cross multiply
    54,221,801.75x = 74,828,231.90 × 30,379,634.61
  4. Step 4: Simplify right side
    54,221,801.75x = 2,273,254,343,416,224.50
  5. Step 5: Solve for x
    x = 2,273,254,343,416,224.50/54,221,801.75
  6. Step 6: Final answer
    x = 41,925,097.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.