Home / 117,220,811.24-175,795,229.63-81,061,565.60

Finding the Fourth Proportional to 117,220,811.24, 175,795,229.63 and 81,061,565.60

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Solution

The fourth proportional to 117,220,811.24, 175,795,229.63 and 81,061,565.60 is: 121,567,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220,811.24 : 175,795,229.63 = 81,061,565.60 : x
  2. Step 2: Convert to fraction form
    117,220,811.24/175,795,229.63 = 81,061,565.60/x
  3. Step 3: Cross multiply
    117,220,811.24x = 175,795,229.63 × 81,061,565.60
  4. Step 4: Simplify right side
    117,220,811.24x = 14,250,236,537,535,024
  5. Step 5: Solve for x
    x = 14,250,236,537,535,024/117,220,811.24
  6. Step 6: Final answer
    x = 121,567,462.19

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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.