Home / 187,117,763.20-280,456,224.98-76,384,277.34

Finding the Fourth Proportional to 187,117,763.20, 280,456,224.98 and 76,384,277.34

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Solution

The fourth proportional to 187,117,763.20, 280,456,224.98 and 76,384,277.34 is: 114,486,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,117,763.20 : 280,456,224.98 = 76,384,277.34 : x
  2. Step 2: Convert to fraction form
    187,117,763.20/280,456,224.98 = 76,384,277.34/x
  3. Step 3: Cross multiply
    187,117,763.20x = 280,456,224.98 × 76,384,277.34
  4. Step 4: Simplify right side
    187,117,763.20x = 21,422,446,070,601,760
  5. Step 5: Solve for x
    x = 21,422,446,070,601,760/187,117,763.20
  6. Step 6: Final answer
    x = 114,486,437.33

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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.