Home / 47,873,115.10-71,809,672.65-28,502,090.65

Finding the Fourth Proportional to 47,873,115.10, 71,809,672.65 and 28,502,090.65

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Solution

The fourth proportional to 47,873,115.10, 71,809,672.65 and 28,502,090.65 is: 42,753,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873,115.10 : 71,809,672.65 = 28,502,090.65 : x
  2. Step 2: Convert to fraction form
    47,873,115.10/71,809,672.65 = 28,502,090.65/x
  3. Step 3: Cross multiply
    47,873,115.10x = 71,809,672.65 × 28,502,090.65
  4. Step 4: Simplify right side
    47,873,115.10x = 2,046,725,799,417,125.75
  5. Step 5: Solve for x
    x = 2,046,725,799,417,125.75/47,873,115.10
  6. Step 6: Final answer
    x = 42,753,135.98

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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.