Home / 47,888,961.20-71,833,441.80-28,741,338.80

Finding the Fourth Proportional to 47,888,961.20, 71,833,441.80 and 28,741,338.80

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Solution

The fourth proportional to 47,888,961.20, 71,833,441.80 and 28,741,338.80 is: 43,112,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888,961.20 : 71,833,441.80 = 28,741,338.80 : x
  2. Step 2: Convert to fraction form
    47,888,961.20/71,833,441.80 = 28,741,338.80/x
  3. Step 3: Cross multiply
    47,888,961.20x = 71,833,441.80 × 28,741,338.80
  4. Step 4: Simplify right side
    47,888,961.20x = 2,064,589,287,943,881.75
  5. Step 5: Solve for x
    x = 2,064,589,287,943,881.75/47,888,961.20
  6. Step 6: Final answer
    x = 43,112,008.20

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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.