Home / 126,327,661.69-189,509,566.87-38,896,575.16

Finding the Fourth Proportional to 126,327,661.69, 189,509,566.87 and 38,896,575.16

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Solution

The fourth proportional to 126,327,661.69, 189,509,566.87 and 38,896,575.16 is: 58,350,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327,661.69 : 189,509,566.87 = 38,896,575.16 : x
  2. Step 2: Convert to fraction form
    126,327,661.69/189,509,566.87 = 38,896,575.16/x
  3. Step 3: Cross multiply
    126,327,661.69x = 189,509,566.87 × 38,896,575.16
  4. Step 4: Simplify right side
    126,327,661.69x = 7,371,273,110,253,212
  5. Step 5: Solve for x
    x = 7,371,273,110,253,212/126,327,661.69
  6. Step 6: Final answer
    x = 58,350,427.86

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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.