Home / 72,599,016.95-108,970,270.38-38,520,362.82

Finding the Fourth Proportional to 72,599,016.95, 108,970,270.38 and 38,520,362.82

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Solution

The fourth proportional to 72,599,016.95, 108,970,270.38 and 38,520,362.82 is: 57,818,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,599,016.95 : 108,970,270.38 = 38,520,362.82 : x
  2. Step 2: Convert to fraction form
    72,599,016.95/108,970,270.38 = 38,520,362.82/x
  3. Step 3: Cross multiply
    72,599,016.95x = 108,970,270.38 × 38,520,362.82
  4. Step 4: Simplify right side
    72,599,016.95x = 4,197,574,351,631,099
  5. Step 5: Solve for x
    x = 4,197,574,351,631,099/72,599,016.95
  6. Step 6: Final answer
    x = 57,818,611.44

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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.