Home / 52,770,959.15-79,166,382.59-19,991,346.12

Finding the Fourth Proportional to 52,770,959.15, 79,166,382.59 and 19,991,346.12

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Solution

The fourth proportional to 52,770,959.15, 79,166,382.59 and 19,991,346.12 is: 29,990,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770,959.15 : 79,166,382.59 = 19,991,346.12 : x
  2. Step 2: Convert to fraction form
    52,770,959.15/79,166,382.59 = 19,991,346.12/x
  3. Step 3: Cross multiply
    52,770,959.15x = 79,166,382.59 × 19,991,346.12
  4. Step 4: Simplify right side
    52,770,959.15x = 1,582,642,555,111,915.25
  5. Step 5: Solve for x
    x = 1,582,642,555,111,915.25/52,770,959.15
  6. Step 6: Final answer
    x = 29,990,786.23

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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.