Home / 247,855,109.60-371,818,093.80-84,100,422.80

Finding the Fourth Proportional to 247,855,109.60, 371,818,093.80 and 84,100,422.80

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Solution

The fourth proportional to 247,855,109.60, 371,818,093.80 and 84,100,422.80 is: 126,162,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,855,109.60 : 371,818,093.80 = 84,100,422.80 : x
  2. Step 2: Convert to fraction form
    247,855,109.60/371,818,093.80 = 84,100,422.80/x
  3. Step 3: Cross multiply
    247,855,109.60x = 371,818,093.80 × 84,100,422.80
  4. Step 4: Simplify right side
    247,855,109.60x = 31,270,058,893,270,060
  5. Step 5: Solve for x
    x = 31,270,058,893,270,060/247,855,109.60
  6. Step 6: Final answer
    x = 126,162,655.85

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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.