Home / 199,324,434.40-298,986,651.60-91,829,010.40

Finding the Fourth Proportional to 199,324,434.40, 298,986,651.60 and 91,829,010.40

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Solution

The fourth proportional to 199,324,434.40, 298,986,651.60 and 91,829,010.40 is: 137,743,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,324,434.40 : 298,986,651.60 = 91,829,010.40 : x
  2. Step 2: Convert to fraction form
    199,324,434.40/298,986,651.60 = 91,829,010.40/x
  3. Step 3: Cross multiply
    199,324,434.40x = 298,986,651.60 × 91,829,010.40
  4. Step 4: Simplify right side
    199,324,434.40x = 27,455,648,339,237,580
  5. Step 5: Solve for x
    x = 27,455,648,339,237,580/199,324,434.40
  6. Step 6: Final answer
    x = 137,743,515.60

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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.