Home / 287,265,149.22-430,958,249.11-93,161,429.30

Finding the Fourth Proportional to 287,265,149.22, 430,958,249.11 and 93,161,429.30

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Solution

The fourth proportional to 287,265,149.22, 430,958,249.11 and 93,161,429.30 is: 139,761,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,265,149.22 : 430,958,249.11 = 93,161,429.30 : x
  2. Step 2: Convert to fraction form
    287,265,149.22/430,958,249.11 = 93,161,429.30/x
  3. Step 3: Cross multiply
    287,265,149.22x = 430,958,249.11 × 93,161,429.30
  4. Step 4: Simplify right side
    287,265,149.22x = 40,148,686,456,907,832
  5. Step 5: Solve for x
    x = 40,148,686,456,907,832/287,265,149.22
  6. Step 6: Final answer
    x = 139,761,772.58

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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.