Home / 68,677,489.20-103,016,233.80-59,430,415.80

Finding the Fourth Proportional to 68,677,489.20, 103,016,233.80 and 59,430,415.80

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Solution

The fourth proportional to 68,677,489.20, 103,016,233.80 and 59,430,415.80 is: 89,145,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677,489.20 : 103,016,233.80 = 59,430,415.80 : x
  2. Step 2: Convert to fraction form
    68,677,489.20/103,016,233.80 = 59,430,415.80/x
  3. Step 3: Cross multiply
    68,677,489.20x = 103,016,233.80 × 59,430,415.80
  4. Step 4: Simplify right side
    68,677,489.20x = 6,122,297,608,884,014
  5. Step 5: Solve for x
    x = 6,122,297,608,884,014/68,677,489.20
  6. Step 6: Final answer
    x = 89,145,623.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.