Home / 71,670,989.44-98,914,362.20-40,735,808.83

Finding the Fourth Proportional to 71,670,989.44, 98,914,362.20 and 40,735,808.83

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Solution

The fourth proportional to 71,670,989.44, 98,914,362.20 and 40,735,808.83 is: 56,220,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670,989.44 : 98,914,362.20 = 40,735,808.83 : x
  2. Step 2: Convert to fraction form
    71,670,989.44/98,914,362.20 = 40,735,808.83/x
  3. Step 3: Cross multiply
    71,670,989.44x = 98,914,362.20 × 40,735,808.83
  4. Step 4: Simplify right side
    71,670,989.44x = 4,029,356,549,120,578
  5. Step 5: Solve for x
    x = 4,029,356,549,120,578/71,670,989.44
  6. Step 6: Final answer
    x = 56,220,188.68

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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.