Home / 283,423,992.40-425,135,988.60-91,947,768.40

Finding the Fourth Proportional to 283,423,992.40, 425,135,988.60 and 91,947,768.40

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Solution

The fourth proportional to 283,423,992.40, 425,135,988.60 and 91,947,768.40 is: 137,921,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,423,992.40 : 425,135,988.60 = 91,947,768.40 : x
  2. Step 2: Convert to fraction form
    283,423,992.40/425,135,988.60 = 91,947,768.40/x
  3. Step 3: Cross multiply
    283,423,992.40x = 425,135,988.60 × 91,947,768.40
  4. Step 4: Simplify right side
    283,423,992.40x = 39,090,305,418,297,848
  5. Step 5: Solve for x
    x = 39,090,305,418,297,848/283,423,992.40
  6. Step 6: Final answer
    x = 137,921,652.60

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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.