Home / 238,095,229.30-357,144,047.91-74,319,257.12

Finding the Fourth Proportional to 238,095,229.30, 357,144,047.91 and 74,319,257.12

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Solution

The fourth proportional to 238,095,229.30, 357,144,047.91 and 74,319,257.12 is: 111,479,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,095,229.30 : 357,144,047.91 = 74,319,257.12 : x
  2. Step 2: Convert to fraction form
    238,095,229.30/357,144,047.91 = 74,319,257.12/x
  3. Step 3: Cross multiply
    238,095,229.30x = 357,144,047.91 × 74,319,257.12
  4. Step 4: Simplify right side
    238,095,229.30x = 26,542,680,323,715,168
  5. Step 5: Solve for x
    x = 26,542,680,323,715,168/238,095,229.30
  6. Step 6: Final answer
    x = 111,479,261.48

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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.