Home / 142,858,739.82-197,187,016.66-93,306,688.50

Finding the Fourth Proportional to 142,858,739.82, 197,187,016.66 and 93,306,688.50

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Solution

The fourth proportional to 142,858,739.82, 197,187,016.66 and 93,306,688.50 is: 128,790,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,858,739.82 : 197,187,016.66 = 93,306,688.50 : x
  2. Step 2: Convert to fraction form
    142,858,739.82/197,187,016.66 = 93,306,688.50/x
  3. Step 3: Cross multiply
    142,858,739.82x = 197,187,016.66 × 93,306,688.50
  4. Step 4: Simplify right side
    142,858,739.82x = 18,398,867,539,738,932
  5. Step 5: Solve for x
    x = 18,398,867,539,738,932/142,858,739.82
  6. Step 6: Final answer
    x = 128,790,633.06

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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.