Home / 65,288,568.20-97,820,877.90-31,136,376.20

Finding the Fourth Proportional to 65,288,568.20, 97,820,877.90 and 31,136,376.20

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Solution

The fourth proportional to 65,288,568.20, 97,820,877.90 and 31,136,376.20 is: 46,651,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,288,568.20 : 97,820,877.90 = 31,136,376.20 : x
  2. Step 2: Convert to fraction form
    65,288,568.20/97,820,877.90 = 31,136,376.20/x
  3. Step 3: Cross multiply
    65,288,568.20x = 97,820,877.90 × 31,136,376.20
  4. Step 4: Simplify right side
    65,288,568.20x = 3,045,787,654,508,666
  5. Step 5: Solve for x
    x = 3,045,787,654,508,666/65,288,568.20
  6. Step 6: Final answer
    x = 46,651,163.27

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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.