Home / 218,371,486.91-327,560,126.32-72,805,094.96

Finding the Fourth Proportional to 218,371,486.91, 327,560,126.32 and 72,805,094.96

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Solution

The fourth proportional to 218,371,486.91, 327,560,126.32 and 72,805,094.96 is: 109,208,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,371,486.91 : 327,560,126.32 = 72,805,094.96 : x
  2. Step 2: Convert to fraction form
    218,371,486.91/327,560,126.32 = 72,805,094.96/x
  3. Step 3: Cross multiply
    218,371,486.91x = 327,560,126.32 × 72,805,094.96
  4. Step 4: Simplify right side
    218,371,486.91x = 23,848,046,101,837,192
  5. Step 5: Solve for x
    x = 23,848,046,101,837,192/218,371,486.91
  6. Step 6: Final answer
    x = 109,208,607.95

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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.