Home / 55,251,590-76,252,581.78-41,288,699.30

Finding the Fourth Proportional to 55,251,590, 76,252,581.78 and 41,288,699.30

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Solution

The fourth proportional to 55,251,590, 76,252,581.78 and 41,288,699.30 is: 56,982,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251,590 : 76,252,581.78 = 41,288,699.30 : x
  2. Step 2: Convert to fraction form
    55,251,590/76,252,581.78 = 41,288,699.30/x
  3. Step 3: Cross multiply
    55,251,590x = 76,252,581.78 × 41,288,699.30
  4. Step 4: Simplify right side
    55,251,590x = 3,148,369,919,963,078.50
  5. Step 5: Solve for x
    x = 3,148,369,919,963,078.50/55,251,590
  6. Step 6: Final answer
    x = 56,982,431.09

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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.