Home / 100,718,111.80-151,151,817.30-73,844,255.80

Finding the Fourth Proportional to 100,718,111.80, 151,151,817.30 and 73,844,255.80

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Solution

The fourth proportional to 100,718,111.80, 151,151,817.30 and 73,844,255.80 is: 110,821,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,718,111.80 : 151,151,817.30 = 73,844,255.80 : x
  2. Step 2: Convert to fraction form
    100,718,111.80/151,151,817.30 = 73,844,255.80/x
  3. Step 3: Cross multiply
    100,718,111.80x = 151,151,817.30 × 73,844,255.80
  4. Step 4: Simplify right side
    100,718,111.80x = 11,161,693,461,336,066
  5. Step 5: Solve for x
    x = 11,161,693,461,336,066/100,718,111.80
  6. Step 6: Final answer
    x = 110,821,115.11

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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.