Home / 71,317,353.60-98,418,340.80-38,722,305.60

Finding the Fourth Proportional to 71,317,353.60, 98,418,340.80 and 38,722,305.60

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Solution

The fourth proportional to 71,317,353.60, 98,418,340.80 and 38,722,305.60 is: 53,436,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317,353.60 : 98,418,340.80 = 38,722,305.60 : x
  2. Step 2: Convert to fraction form
    71,317,353.60/98,418,340.80 = 38,722,305.60/x
  3. Step 3: Cross multiply
    71,317,353.60x = 98,418,340.80 × 38,722,305.60
  4. Step 4: Simplify right side
    71,317,353.60x = 3,810,985,069,102,548.50
  5. Step 5: Solve for x
    x = 3,810,985,069,102,548.50/71,317,353.60
  6. Step 6: Final answer
    x = 53,436,995.02

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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.