Home / 155,431,394.40-233,147,091.60-47,712,021.60

Finding the Fourth Proportional to 155,431,394.40, 233,147,091.60 and 47,712,021.60

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Solution

The fourth proportional to 155,431,394.40, 233,147,091.60 and 47,712,021.60 is: 71,568,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,431,394.40 : 233,147,091.60 = 47,712,021.60 : x
  2. Step 2: Convert to fraction form
    155,431,394.40/233,147,091.60 = 47,712,021.60/x
  3. Step 3: Cross multiply
    155,431,394.40x = 233,147,091.60 × 47,712,021.60
  4. Step 4: Simplify right side
    155,431,394.40x = 11,123,919,070,396,378
  5. Step 5: Solve for x
    x = 11,123,919,070,396,378/155,431,394.40
  6. Step 6: Final answer
    x = 71,568,032.40

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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.