Home / 47,888,947.45-71,833,421.18-28,741,325.05

Finding the Fourth Proportional to 47,888,947.45, 71,833,421.18 and 28,741,325.05

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Solution

The fourth proportional to 47,888,947.45, 71,833,421.18 and 28,741,325.05 is: 43,111,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888,947.45 : 71,833,421.18 = 28,741,325.05 : x
  2. Step 2: Convert to fraction form
    47,888,947.45/71,833,421.18 = 28,741,325.05/x
  3. Step 3: Cross multiply
    47,888,947.45x = 71,833,421.18 × 28,741,325.05
  4. Step 4: Simplify right side
    47,888,947.45x = 2,064,587,707,587,934.75
  5. Step 5: Solve for x
    x = 2,064,587,707,587,934.75/47,888,947.45
  6. Step 6: Final answer
    x = 43,111,987.58

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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.