Home / 81,661,276.20-112,692,509.82-44,991,846.84

Finding the Fourth Proportional to 81,661,276.20, 112,692,509.82 and 44,991,846.84

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Solution

The fourth proportional to 81,661,276.20, 112,692,509.82 and 44,991,846.84 is: 62,088,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661,276.20 : 112,692,509.82 = 44,991,846.84 : x
  2. Step 2: Convert to fraction form
    81,661,276.20/112,692,509.82 = 44,991,846.84/x
  3. Step 3: Cross multiply
    81,661,276.20x = 112,692,509.82 × 44,991,846.84
  4. Step 4: Simplify right side
    81,661,276.20x = 5,070,244,141,836,636
  5. Step 5: Solve for x
    x = 5,070,244,141,836,636/81,661,276.20
  6. Step 6: Final answer
    x = 62,088,720.36

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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.