Home / 74,807,918.10-112,022,920.35-49,109,793.30

Finding the Fourth Proportional to 74,807,918.10, 112,022,920.35 and 49,109,793.30

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Solution

The fourth proportional to 74,807,918.10, 112,022,920.35 and 49,109,793.30 is: 73,540,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807,918.10 : 112,022,920.35 = 49,109,793.30 : x
  2. Step 2: Convert to fraction form
    74,807,918.10/112,022,920.35 = 49,109,793.30/x
  3. Step 3: Cross multiply
    74,807,918.10x = 112,022,920.35 × 49,109,793.30
  4. Step 4: Simplify right side
    74,807,918.10x = 5,501,422,463,250,863
  5. Step 5: Solve for x
    x = 5,501,422,463,250,863/74,807,918.10
  6. Step 6: Final answer
    x = 73,540,643.86

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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.