Home / 190,662,671.28-285,951,446.28-88,413,422.88

Finding the Fourth Proportional to 190,662,671.28, 285,951,446.28 and 88,413,422.88

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Solution

The fourth proportional to 190,662,671.28, 285,951,446.28 and 88,413,422.88 is: 132,600,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,662,671.28 : 285,951,446.28 = 88,413,422.88 : x
  2. Step 2: Convert to fraction form
    190,662,671.28/285,951,446.28 = 88,413,422.88/x
  3. Step 3: Cross multiply
    190,662,671.28x = 285,951,446.28 × 88,413,422.88
  4. Step 4: Simplify right side
    190,662,671.28x = 25,281,946,143,101,240
  5. Step 5: Solve for x
    x = 25,281,946,143,101,240/190,662,671.28
  6. Step 6: Final answer
    x = 132,600,398.25

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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.