Home / 31,998,690.60-48,110,010.30-31,326,844.20

Finding the Fourth Proportional to 31,998,690.60, 48,110,010.30 and 31,326,844.20

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Solution

The fourth proportional to 31,998,690.60, 48,110,010.30 and 31,326,844.20 is: 47,099,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998,690.60 : 48,110,010.30 = 31,326,844.20 : x
  2. Step 2: Convert to fraction form
    31,998,690.60/48,110,010.30 = 31,326,844.20/x
  3. Step 3: Cross multiply
    31,998,690.60x = 48,110,010.30 × 31,326,844.20
  4. Step 4: Simplify right side
    31,998,690.60x = 1,507,134,797,128,495.25
  5. Step 5: Solve for x
    x = 1,507,134,797,128,495.25/31,998,690.60
  6. Step 6: Final answer
    x = 47,099,889.68

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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.