Home / 285,243,093.88-427,740,046.74-100,949,319.28

Finding the Fourth Proportional to 285,243,093.88, 427,740,046.74 and 100,949,319.28

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Solution

The fourth proportional to 285,243,093.88, 427,740,046.74 and 100,949,319.28 is: 151,379,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,243,093.88 : 427,740,046.74 = 100,949,319.28 : x
  2. Step 2: Convert to fraction form
    285,243,093.88/427,740,046.74 = 100,949,319.28/x
  3. Step 3: Cross multiply
    285,243,093.88x = 427,740,046.74 × 100,949,319.28
  4. Step 4: Simplify right side
    285,243,093.88x = 43,180,066,547,198,384
  5. Step 5: Solve for x
    x = 43,180,066,547,198,384/285,243,093.88
  6. Step 6: Final answer
    x = 151,379,884.29

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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.