Home / 51,442,415.94-70,990,611.77-27,920,961.13

Finding the Fourth Proportional to 51,442,415.94, 70,990,611.77 and 27,920,961.13

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Solution

The fourth proportional to 51,442,415.94, 70,990,611.77 and 27,920,961.13 is: 38,530,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442,415.94 : 70,990,611.77 = 27,920,961.13 : x
  2. Step 2: Convert to fraction form
    51,442,415.94/70,990,611.77 = 27,920,961.13/x
  3. Step 3: Cross multiply
    51,442,415.94x = 70,990,611.77 × 27,920,961.13
  4. Step 4: Simplify right side
    51,442,415.94x = 1,982,126,111,612,712.75
  5. Step 5: Solve for x
    x = 1,982,126,111,612,712.75/51,442,415.94
  6. Step 6: Final answer
    x = 38,530,968.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.