Home / 71,317,270.36-98,418,226.02-38,722,222.36

Finding the Fourth Proportional to 71,317,270.36, 98,418,226.02 and 38,722,222.36

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Solution

The fourth proportional to 71,317,270.36, 98,418,226.02 and 38,722,222.36 is: 53,436,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317,270.36 : 98,418,226.02 = 38,722,222.36 : x
  2. Step 2: Convert to fraction form
    71,317,270.36/98,418,226.02 = 38,722,222.36/x
  3. Step 3: Cross multiply
    71,317,270.36x = 98,418,226.02 × 38,722,222.36
  4. Step 4: Simplify right side
    71,317,270.36x = 3,810,972,432,223,177.50
  5. Step 5: Solve for x
    x = 3,810,972,432,223,177.50/71,317,270.36
  6. Step 6: Final answer
    x = 53,436,880.20

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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.