Home / 42,772,977.78-64,133,843.94-13,614,220.86

Finding the Fourth Proportional to 42,772,977.78, 64,133,843.94 and 13,614,220.86

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Solution

The fourth proportional to 42,772,977.78, 64,133,843.94 and 13,614,220.86 is: 20,413,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,977.78 : 64,133,843.94 = 13,614,220.86 : x
  2. Step 2: Convert to fraction form
    42,772,977.78/64,133,843.94 = 13,614,220.86/x
  3. Step 3: Cross multiply
    42,772,977.78x = 64,133,843.94 × 13,614,220.86
  4. Step 4: Simplify right side
    42,772,977.78x = 873,132,315,999,932.50
  5. Step 5: Solve for x
    x = 873,132,315,999,932.50/42,772,977.78
  6. Step 6: Final answer
    x = 20,413,175.83

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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.