Home / 126,016,817.16-189,052,987.90-38,578,995.48

Finding the Fourth Proportional to 126,016,817.16, 189,052,987.90 and 38,578,995.48

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Solution

The fourth proportional to 126,016,817.16, 189,052,987.90 and 38,578,995.48 is: 57,876,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,817.16 : 189,052,987.90 = 38,578,995.48 : x
  2. Step 2: Convert to fraction form
    126,016,817.16/189,052,987.90 = 38,578,995.48/x
  3. Step 3: Cross multiply
    126,016,817.16x = 189,052,987.90 × 38,578,995.48
  4. Step 4: Simplify right side
    126,016,817.16x = 7,293,474,365,674,594
  5. Step 5: Solve for x
    x = 7,293,474,365,674,594/126,016,817.16
  6. Step 6: Final answer
    x = 57,876,992.37

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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.