Home / 65,288,517.20-97,820,801.40-31,136,325.20

Finding the Fourth Proportional to 65,288,517.20, 97,820,801.40 and 31,136,325.20

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Solution

The fourth proportional to 65,288,517.20, 97,820,801.40 and 31,136,325.20 is: 46,651,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,288,517.20 : 97,820,801.40 = 31,136,325.20 : x
  2. Step 2: Convert to fraction form
    65,288,517.20/97,820,801.40 = 31,136,325.20/x
  3. Step 3: Cross multiply
    65,288,517.20x = 97,820,801.40 × 31,136,325.20
  4. Step 4: Simplify right side
    65,288,517.20x = 3,045,780,283,715,015.50
  5. Step 5: Solve for x
    x = 3,045,780,283,715,015.50/65,288,517.20
  6. Step 6: Final answer
    x = 46,651,086.81

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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.