Home / 238,250,915.85-357,376,653.81-74,489,530.74

Finding the Fourth Proportional to 238,250,915.85, 357,376,653.81 and 74,489,530.74

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Solution

The fourth proportional to 238,250,915.85, 357,376,653.81 and 74,489,530.74 is: 111,734,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,250,915.85 : 357,376,653.81 = 74,489,530.74 : x
  2. Step 2: Convert to fraction form
    238,250,915.85/357,376,653.81 = 74,489,530.74/x
  3. Step 3: Cross multiply
    238,250,915.85x = 357,376,653.81 × 74,489,530.74
  4. Step 4: Simplify right side
    238,250,915.85x = 26,620,819,239,738,332
  5. Step 5: Solve for x
    x = 26,620,819,239,738,332/238,250,915.85
  6. Step 6: Final answer
    x = 111,734,383.66

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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.