Home / 50,297,781.12-75,475,948.32-21,149,513.28

Finding the Fourth Proportional to 50,297,781.12, 75,475,948.32 and 21,149,513.28

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Solution

The fourth proportional to 50,297,781.12, 75,475,948.32 and 21,149,513.28 is: 31,736,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,297,781.12 : 75,475,948.32 = 21,149,513.28 : x
  2. Step 2: Convert to fraction form
    50,297,781.12/75,475,948.32 = 21,149,513.28/x
  3. Step 3: Cross multiply
    50,297,781.12x = 75,475,948.32 × 21,149,513.28
  4. Step 4: Simplify right side
    50,297,781.12x = 1,596,279,571,314,433.75
  5. Step 5: Solve for x
    x = 1,596,279,571,314,433.75/50,297,781.12
  6. Step 6: Final answer
    x = 31,736,580.34

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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.