Home / 111,220,452.80-166,830,679.20-65,758,846.40

Finding the Fourth Proportional to 111,220,452.80, 166,830,679.20 and 65,758,846.40

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Solution

The fourth proportional to 111,220,452.80, 166,830,679.20 and 65,758,846.40 is: 98,638,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220,452.80 : 166,830,679.20 = 65,758,846.40 : x
  2. Step 2: Convert to fraction form
    111,220,452.80/166,830,679.20 = 65,758,846.40/x
  3. Step 3: Cross multiply
    111,220,452.80x = 166,830,679.20 × 65,758,846.40
  4. Step 4: Simplify right side
    111,220,452.80x = 10,970,593,008,320,474
  5. Step 5: Solve for x
    x = 10,970,593,008,320,474/111,220,452.80
  6. Step 6: Final answer
    x = 98,638,269.60

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1.5x scale

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.