Home / 74,807,846.60-112,022,813.10-49,109,721.80

Finding the Fourth Proportional to 74,807,846.60, 112,022,813.10 and 49,109,721.80

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Solution

The fourth proportional to 74,807,846.60, 112,022,813.10 and 49,109,721.80 is: 73,540,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807,846.60 : 112,022,813.10 = 49,109,721.80 : x
  2. Step 2: Convert to fraction form
    74,807,846.60/112,022,813.10 = 49,109,721.80/x
  3. Step 3: Cross multiply
    74,807,846.60x = 112,022,813.10 × 49,109,721.80
  4. Step 4: Simplify right side
    74,807,846.60x = 5,501,409,186,594,395
  5. Step 5: Solve for x
    x = 5,501,409,186,594,395/74,807,846.60
  6. Step 6: Final answer
    x = 73,540,536.68

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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.