Home / 55,607,272.78-76,737,295.47-31,161,464.14

Finding the Fourth Proportional to 55,607,272.78, 76,737,295.47 and 31,161,464.14

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Solution

The fourth proportional to 55,607,272.78, 76,737,295.47 and 31,161,464.14 is: 43,002,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607,272.78 : 76,737,295.47 = 31,161,464.14 : x
  2. Step 2: Convert to fraction form
    55,607,272.78/76,737,295.47 = 31,161,464.14/x
  3. Step 3: Cross multiply
    55,607,272.78x = 76,737,295.47 × 31,161,464.14
  4. Step 4: Simplify right side
    55,607,272.78x = 2,391,246,480,988,989.50
  5. Step 5: Solve for x
    x = 2,391,246,480,988,989.50/55,607,272.78
  6. Step 6: Final answer
    x = 43,002,405.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.