Home / 137,339,567.88-189,481,728.36-85,109,546.40

Finding the Fourth Proportional to 137,339,567.88, 189,481,728.36 and 85,109,546.40

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Solution

The fourth proportional to 137,339,567.88, 189,481,728.36 and 85,109,546.40 is: 117,422,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,339,567.88 : 189,481,728.36 = 85,109,546.40 : x
  2. Step 2: Convert to fraction form
    137,339,567.88/189,481,728.36 = 85,109,546.40/x
  3. Step 3: Cross multiply
    137,339,567.88x = 189,481,728.36 × 85,109,546.40
  4. Step 4: Simplify right side
    137,339,567.88x = 16,126,703,951,807,618
  5. Step 5: Solve for x
    x = 16,126,703,951,807,618/137,339,567.88
  6. Step 6: Final answer
    x = 117,422,125.33

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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.