Home / 117,220,805.24-175,795,220.63-81,061,559.60

Finding the Fourth Proportional to 117,220,805.24, 175,795,220.63 and 81,061,559.60

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Solution

The fourth proportional to 117,220,805.24, 175,795,220.63 and 81,061,559.60 is: 121,567,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220,805.24 : 175,795,220.63 = 81,061,559.60 : x
  2. Step 2: Convert to fraction form
    117,220,805.24/175,795,220.63 = 81,061,559.60/x
  3. Step 3: Cross multiply
    117,220,805.24x = 175,795,220.63 × 81,061,559.60
  4. Step 4: Simplify right side
    117,220,805.24x = 14,250,234,753,817,572
  5. Step 5: Solve for x
    x = 14,250,234,753,817,572/117,220,805.24
  6. Step 6: Final answer
    x = 121,567,453.19

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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.