Home / 71,279,084.84-98,365,137.08-38,684,036.84

Finding the Fourth Proportional to 71,279,084.84, 98,365,137.08 and 38,684,036.84

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Solution

The fourth proportional to 71,279,084.84, 98,365,137.08 and 38,684,036.84 is: 53,383,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279,084.84 : 98,365,137.08 = 38,684,036.84 : x
  2. Step 2: Convert to fraction form
    71,279,084.84/98,365,137.08 = 38,684,036.84/x
  3. Step 3: Cross multiply
    71,279,084.84x = 98,365,137.08 × 38,684,036.84
  4. Step 4: Simplify right side
    71,279,084.84x = 3,805,160,585,889,124.50
  5. Step 5: Solve for x
    x = 3,805,160,585,889,124.50/71,279,084.84
  6. Step 6: Final answer
    x = 53,383,970.83

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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.