Home / 65,211,369.89-97,820,718.60-20,899,511.24

Finding the Fourth Proportional to 65,211,369.89, 97,820,718.60 and 20,899,511.24

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Solution

The fourth proportional to 65,211,369.89, 97,820,718.60 and 20,899,511.24 is: 31,350,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211,369.89 : 97,820,718.60 = 20,899,511.24 : x
  2. Step 2: Convert to fraction form
    65,211,369.89/97,820,718.60 = 20,899,511.24/x
  3. Step 3: Cross multiply
    65,211,369.89x = 97,820,718.60 × 20,899,511.24
  4. Step 4: Simplify right side
    65,211,369.89x = 2,044,405,207,885,576.75
  5. Step 5: Solve for x
    x = 2,044,405,207,885,576.75/65,211,369.89
  6. Step 6: Final answer
    x = 31,350,441.06

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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.