Home / 71,345,660.58-98,456,470.47-38,750,845.86

Finding the Fourth Proportional to 71,345,660.58, 98,456,470.47 and 38,750,845.86

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Solution

The fourth proportional to 71,345,660.58, 98,456,470.47 and 38,750,845.86 is: 53,475,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,345,660.58 : 98,456,470.47 = 38,750,845.86 : x
  2. Step 2: Convert to fraction form
    71,345,660.58/98,456,470.47 = 38,750,845.86/x
  3. Step 3: Cross multiply
    71,345,660.58x = 98,456,470.47 × 38,750,845.86
  4. Step 4: Simplify right side
    71,345,660.58x = 3,815,271,511,102,611.50
  5. Step 5: Solve for x
    x = 3,815,271,511,102,611.50/71,345,660.58
  6. Step 6: Final answer
    x = 53,475,873.38

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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.