Home / 74,807,842.60-112,022,807.10-49,109,717.80

Finding the Fourth Proportional to 74,807,842.60, 112,022,807.10 and 49,109,717.80

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Solution

The fourth proportional to 74,807,842.60, 112,022,807.10 and 49,109,717.80 is: 73,540,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807,842.60 : 112,022,807.10 = 49,109,717.80 : x
  2. Step 2: Convert to fraction form
    74,807,842.60/112,022,807.10 = 49,109,717.80/x
  3. Step 3: Cross multiply
    74,807,842.60x = 112,022,807.10 × 49,109,717.80
  4. Step 4: Simplify right side
    74,807,842.60x = 5,501,408,443,844,836
  5. Step 5: Solve for x
    x = 5,501,408,443,844,836/74,807,842.60
  6. Step 6: Final answer
    x = 73,540,530.68

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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.