Home / 57,217,853.88-78,960,093.48-31,112,389.44

Finding the Fourth Proportional to 57,217,853.88, 78,960,093.48 and 31,112,389.44

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Solution

The fourth proportional to 57,217,853.88, 78,960,093.48 and 31,112,389.44 is: 42,934,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217,853.88 : 78,960,093.48 = 31,112,389.44 : x
  2. Step 2: Convert to fraction form
    57,217,853.88/78,960,093.48 = 31,112,389.44/x
  3. Step 3: Cross multiply
    57,217,853.88x = 78,960,093.48 × 31,112,389.44
  4. Step 4: Simplify right side
    57,217,853.88x = 2,456,637,178,568,565
  5. Step 5: Solve for x
    x = 2,456,637,178,568,565/57,217,853.88
  6. Step 6: Final answer
    x = 42,934,801.15

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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.