Home / 65,555,105.60-98,332,658.40-31,542,881.60

Finding the Fourth Proportional to 65,555,105.60, 98,332,658.40 and 31,542,881.60

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Solution

The fourth proportional to 65,555,105.60, 98,332,658.40 and 31,542,881.60 is: 47,314,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555,105.60 : 98,332,658.40 = 31,542,881.60 : x
  2. Step 2: Convert to fraction form
    65,555,105.60/98,332,658.40 = 31,542,881.60/x
  3. Step 3: Cross multiply
    65,555,105.60x = 98,332,658.40 × 31,542,881.60
  4. Step 4: Simplify right side
    65,555,105.60x = 3,101,695,401,324,446
  5. Step 5: Solve for x
    x = 3,101,695,401,324,446/65,555,105.60
  6. Step 6: Final answer
    x = 47,314,322.40

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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.