Home / 29,280,067.78-43,658,330.25-28,475,621.68

Finding the Fourth Proportional to 29,280,067.78, 43,658,330.25 and 28,475,621.68

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Solution

The fourth proportional to 29,280,067.78, 43,658,330.25 and 28,475,621.68 is: 42,458,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280,067.78 : 43,658,330.25 = 28,475,621.68 : x
  2. Step 2: Convert to fraction form
    29,280,067.78/43,658,330.25 = 28,475,621.68/x
  3. Step 3: Cross multiply
    29,280,067.78x = 43,658,330.25 × 28,475,621.68
  4. Step 4: Simplify right side
    29,280,067.78x = 1,243,198,095,379,499.75
  5. Step 5: Solve for x
    x = 1,243,198,095,379,499.75/29,280,067.78
  6. Step 6: Final answer
    x = 42,458,853.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.