Home / 49,449,931.16-74,174,010.08-20,297,439.86

Finding the Fourth Proportional to 49,449,931.16, 74,174,010.08 and 20,297,439.86

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Solution

The fourth proportional to 49,449,931.16, 74,174,010.08 and 20,297,439.86 is: 30,445,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449,931.16 : 74,174,010.08 = 20,297,439.86 : x
  2. Step 2: Convert to fraction form
    49,449,931.16/74,174,010.08 = 20,297,439.86/x
  3. Step 3: Cross multiply
    49,449,931.16x = 74,174,010.08 × 20,297,439.86
  4. Step 4: Simplify right side
    49,449,931.16x = 1,505,542,508,301,476.75
  5. Step 5: Solve for x
    x = 1,505,542,508,301,476.75/49,449,931.16
  6. Step 6: Final answer
    x = 30,445,795.84

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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.