Home / 87,817,322.88-121,187,786.72-48,661,635.33

Finding the Fourth Proportional to 87,817,322.88, 121,187,786.72 and 48,661,635.33

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Solution

The fourth proportional to 87,817,322.88, 121,187,786.72 and 48,661,635.33 is: 67,152,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,817,322.88 : 121,187,786.72 = 48,661,635.33 : x
  2. Step 2: Convert to fraction form
    87,817,322.88/121,187,786.72 = 48,661,635.33/x
  3. Step 3: Cross multiply
    87,817,322.88x = 121,187,786.72 × 48,661,635.33
  4. Step 4: Simplify right side
    87,817,322.88x = 5,897,195,883,575,149
  5. Step 5: Solve for x
    x = 5,897,195,883,575,149/87,817,322.88
  6. Step 6: Final answer
    x = 67,152,990.89

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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.