Home / 55,049,792.70-75,970,902.88-30,272,010.96

Finding the Fourth Proportional to 55,049,792.70, 75,970,902.88 and 30,272,010.96

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Solution

The fourth proportional to 55,049,792.70, 75,970,902.88 and 30,272,010.96 is: 41,776,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,792.70 : 75,970,902.88 = 30,272,010.96 : x
  2. Step 2: Convert to fraction form
    55,049,792.70/75,970,902.88 = 30,272,010.96/x
  3. Step 3: Cross multiply
    55,049,792.70x = 75,970,902.88 × 30,272,010.96
  4. Step 4: Simplify right side
    55,049,792.70x = 2,299,792,004,624,455.50
  5. Step 5: Solve for x
    x = 2,299,792,004,624,455.50/55,049,792.70
  6. Step 6: Final answer
    x = 41,776,578.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.