Home / 84,192,958-126,301,408.38-25,905,468.96

Finding the Fourth Proportional to 84,192,958, 126,301,408.38 and 25,905,468.96

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Solution

The fourth proportional to 84,192,958, 126,301,408.38 and 25,905,468.96 is: 38,861,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192,958 : 126,301,408.38 = 25,905,468.96 : x
  2. Step 2: Convert to fraction form
    84,192,958/126,301,408.38 = 25,905,468.96/x
  3. Step 3: Cross multiply
    84,192,958x = 126,301,408.38 × 25,905,468.96
  4. Step 4: Simplify right side
    84,192,958x = 3,271,897,214,392,374
  5. Step 5: Solve for x
    x = 3,271,897,214,392,374/84,192,958
  6. Step 6: Final answer
    x = 38,861,886.93

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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.