Home / 68,974,533.86-95,149,238.36-42,859,129.46

Finding the Fourth Proportional to 68,974,533.86, 95,149,238.36 and 42,859,129.46

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Solution

The fourth proportional to 68,974,533.86, 95,149,238.36 and 42,859,129.46 is: 59,123,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,974,533.86 : 95,149,238.36 = 42,859,129.46 : x
  2. Step 2: Convert to fraction form
    68,974,533.86/95,149,238.36 = 42,859,129.46/x
  3. Step 3: Cross multiply
    68,974,533.86x = 95,149,238.36 × 42,859,129.46
  4. Step 4: Simplify right side
    68,974,533.86x = 4,078,013,524,891,638
  5. Step 5: Solve for x
    x = 4,078,013,524,891,638/68,974,533.86
  6. Step 6: Final answer
    x = 59,123,466.25

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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.