Home / 111,230,014.80-166,845,022.20-65,768,408.40

Finding the Fourth Proportional to 111,230,014.80, 166,845,022.20 and 65,768,408.40

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Solution

The fourth proportional to 111,230,014.80, 166,845,022.20 and 65,768,408.40 is: 98,652,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,230,014.80 : 166,845,022.20 = 65,768,408.40 : x
  2. Step 2: Convert to fraction form
    111,230,014.80/166,845,022.20 = 65,768,408.40/x
  3. Step 3: Cross multiply
    111,230,014.80x = 166,845,022.20 × 65,768,408.40
  4. Step 4: Simplify right side
    111,230,014.80x = 10,973,131,559,556,666
  5. Step 5: Solve for x
    x = 10,973,131,559,556,666/111,230,014.80
  6. Step 6: Final answer
    x = 98,652,612.60

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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.