Home / 218,225,491.81-327,381,427.70-80,052,305.98

Finding the Fourth Proportional to 218,225,491.81, 327,381,427.70 and 80,052,305.98

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Solution

The fourth proportional to 218,225,491.81, 327,381,427.70 and 80,052,305.98 is: 120,094,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,225,491.81 : 327,381,427.70 = 80,052,305.98 : x
  2. Step 2: Convert to fraction form
    218,225,491.81/327,381,427.70 = 80,052,305.98/x
  3. Step 3: Cross multiply
    218,225,491.81x = 327,381,427.70 × 80,052,305.98
  4. Step 4: Simplify right side
    218,225,491.81x = 26,207,638,220,372,476
  5. Step 5: Solve for x
    x = 26,207,638,220,372,476/218,225,491.81
  6. Step 6: Final answer
    x = 120,094,302.47

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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.