Home / 218,371,486.41-327,560,125.57-72,805,094.46

Finding the Fourth Proportional to 218,371,486.41, 327,560,125.57 and 72,805,094.46

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Solution

The fourth proportional to 218,371,486.41, 327,560,125.57 and 72,805,094.46 is: 109,208,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,371,486.41 : 327,560,125.57 = 72,805,094.46 : x
  2. Step 2: Convert to fraction form
    218,371,486.41/327,560,125.57 = 72,805,094.46/x
  3. Step 3: Cross multiply
    218,371,486.41x = 327,560,125.57 × 72,805,094.46
  4. Step 4: Simplify right side
    218,371,486.41x = 23,848,045,883,271,296
  5. Step 5: Solve for x
    x = 23,848,045,883,271,296/218,371,486.41
  6. Step 6: Final answer
    x = 109,208,607.20

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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.