Home / 74,305,814.40-111,458,721.60-31,205,949.30

Finding the Fourth Proportional to 74,305,814.40, 111,458,721.60 and 31,205,949.30

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Solution

The fourth proportional to 74,305,814.40, 111,458,721.60 and 31,205,949.30 is: 46,808,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305,814.40 : 111,458,721.60 = 31,205,949.30 : x
  2. Step 2: Convert to fraction form
    74,305,814.40/111,458,721.60 = 31,205,949.30/x
  3. Step 3: Cross multiply
    74,305,814.40x = 111,458,721.60 × 31,205,949.30
  4. Step 4: Simplify right side
    74,305,814.40x = 3,478,175,215,292,415
  5. Step 5: Solve for x
    x = 3,478,175,215,292,415/74,305,814.40
  6. Step 6: Final answer
    x = 46,808,923.95

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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.