Home / 275,342,723.10-412,892,886.57-145,920,010.64

Finding the Fourth Proportional to 275,342,723.10, 412,892,886.57 and 145,920,010.64

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Solution

The fourth proportional to 275,342,723.10, 412,892,886.57 and 145,920,010.64 is: 218,815,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,342,723.10 : 412,892,886.57 = 145,920,010.64 : x
  2. Step 2: Convert to fraction form
    275,342,723.10/412,892,886.57 = 145,920,010.64/x
  3. Step 3: Cross multiply
    275,342,723.10x = 412,892,886.57 × 145,920,010.64
  4. Step 4: Simplify right side
    275,342,723.10x = 60,249,334,400,431,856
  5. Step 5: Solve for x
    x = 60,249,334,400,431,856/275,342,723.10
  6. Step 6: Final answer
    x = 218,815,786.09

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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.