Home / 189,460,951.41-261,712,016.17-142,770,952.83

Finding the Fourth Proportional to 189,460,951.41, 261,712,016.17 and 142,770,952.83

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Solution

The fourth proportional to 189,460,951.41, 261,712,016.17 and 142,770,952.83 is: 197,216,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,460,951.41 : 261,712,016.17 = 142,770,952.83 : x
  2. Step 2: Convert to fraction form
    189,460,951.41/261,712,016.17 = 142,770,952.83/x
  3. Step 3: Cross multiply
    189,460,951.41x = 261,712,016.17 × 142,770,952.83
  4. Step 4: Simplify right side
    189,460,951.41x = 37,364,873,915,651,272
  5. Step 5: Solve for x
    x = 37,364,873,915,651,272/189,460,951.41
  6. Step 6: Final answer
    x = 197,216,754.36

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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.