Home / 243,277,021.54-335,719,616.25-131,765,090.50

Finding the Fourth Proportional to 243,277,021.54, 335,719,616.25 and 131,765,090.50

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Solution

The fourth proportional to 243,277,021.54, 335,719,616.25 and 131,765,090.50 is: 181,834,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,277,021.54 : 335,719,616.25 = 131,765,090.50 : x
  2. Step 2: Convert to fraction form
    243,277,021.54/335,719,616.25 = 131,765,090.50/x
  3. Step 3: Cross multiply
    243,277,021.54x = 335,719,616.25 × 131,765,090.50
  4. Step 4: Simplify right side
    243,277,021.54x = 44,236,125,617,806,520
  5. Step 5: Solve for x
    x = 44,236,125,617,806,520/243,277,021.54
  6. Step 6: Final answer
    x = 181,834,376.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.