Home / 57,901,650.75-86,834,068.97-19,031,137.47

Finding the Fourth Proportional to 57,901,650.75, 86,834,068.97 and 19,031,137.47

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Solution

The fourth proportional to 57,901,650.75, 86,834,068.97 and 19,031,137.47 is: 28,540,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901,650.75 : 86,834,068.97 = 19,031,137.47 : x
  2. Step 2: Convert to fraction form
    57,901,650.75/86,834,068.97 = 19,031,137.47/x
  3. Step 3: Cross multiply
    57,901,650.75x = 86,834,068.97 × 19,031,137.47
  4. Step 4: Simplify right side
    57,901,650.75x = 1,652,551,103,552,375.50
  5. Step 5: Solve for x
    x = 1,652,551,103,552,375.50/57,901,650.75
  6. Step 6: Final answer
    x = 28,540,656.13

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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.