Home / 117,220,809.74-175,795,227.38-81,061,564.10

Finding the Fourth Proportional to 117,220,809.74, 175,795,227.38 and 81,061,564.10

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Solution

The fourth proportional to 117,220,809.74, 175,795,227.38 and 81,061,564.10 is: 121,567,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220,809.74 : 175,795,227.38 = 81,061,564.10 : x
  2. Step 2: Convert to fraction form
    117,220,809.74/175,795,227.38 = 81,061,564.10/x
  3. Step 3: Cross multiply
    117,220,809.74x = 175,795,227.38 × 81,061,564.10
  4. Step 4: Simplify right side
    117,220,809.74x = 14,250,236,091,453,660
  5. Step 5: Solve for x
    x = 14,250,236,091,453,660/117,220,809.74
  6. Step 6: Final answer
    x = 121,567,459.94

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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.