Home / 34,165,131.62-47,105,113.90-28,515,335.58

Finding the Fourth Proportional to 34,165,131.62, 47,105,113.90 and 28,515,335.58

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Solution

The fourth proportional to 34,165,131.62, 47,105,113.90 and 28,515,335.58 is: 39,315,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165,131.62 : 47,105,113.90 = 28,515,335.58 : x
  2. Step 2: Convert to fraction form
    34,165,131.62/47,105,113.90 = 28,515,335.58/x
  3. Step 3: Cross multiply
    34,165,131.62x = 47,105,113.90 × 28,515,335.58
  4. Step 4: Simplify right side
    34,165,131.62x = 1,343,218,130,374,800.25
  5. Step 5: Solve for x
    x = 1,343,218,130,374,800.25/34,165,131.62
  6. Step 6: Final answer
    x = 39,315,467.76

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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.