Home / 117,220,801.86-175,795,215.57-81,061,556.22

Finding the Fourth Proportional to 117,220,801.86, 175,795,215.57 and 81,061,556.22

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Solution

The fourth proportional to 117,220,801.86, 175,795,215.57 and 81,061,556.22 is: 121,567,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220,801.86 : 175,795,215.57 = 81,061,556.22 : x
  2. Step 2: Convert to fraction form
    117,220,801.86/175,795,215.57 = 81,061,556.22/x
  3. Step 3: Cross multiply
    117,220,801.86x = 175,795,215.57 × 81,061,556.22
  4. Step 4: Simplify right side
    117,220,801.86x = 14,250,233,750,134,574
  5. Step 5: Solve for x
    x = 14,250,233,750,134,574/117,220,801.86
  6. Step 6: Final answer
    x = 121,567,448.13

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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.