Home / 126,609,102.93-189,910,111.36-40,352,685.69

Finding the Fourth Proportional to 126,609,102.93, 189,910,111.36 and 40,352,685.69

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Solution

The fourth proportional to 126,609,102.93, 189,910,111.36 and 40,352,685.69 is: 60,527,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,102.93 : 189,910,111.36 = 40,352,685.69 : x
  2. Step 2: Convert to fraction form
    126,609,102.93/189,910,111.36 = 40,352,685.69/x
  3. Step 3: Cross multiply
    126,609,102.93x = 189,910,111.36 × 40,352,685.69
  4. Step 4: Simplify right side
    126,609,102.93x = 7,663,383,033,062,979
  5. Step 5: Solve for x
    x = 7,663,383,033,062,979/126,609,102.93
  6. Step 6: Final answer
    x = 60,527,899.30

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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.