Home / 78,174,204.37-107,893,334.49-43,378,104.88

Finding the Fourth Proportional to 78,174,204.37, 107,893,334.49 and 43,378,104.88

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Solution

The fourth proportional to 78,174,204.37, 107,893,334.49 and 43,378,104.88 is: 59,868,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,174,204.37 : 107,893,334.49 = 43,378,104.88 : x
  2. Step 2: Convert to fraction form
    78,174,204.37/107,893,334.49 = 43,378,104.88/x
  3. Step 3: Cross multiply
    78,174,204.37x = 107,893,334.49 × 43,378,104.88
  4. Step 4: Simplify right side
    78,174,204.37x = 4,680,208,379,360,141
  5. Step 5: Solve for x
    x = 4,680,208,379,360,141/78,174,204.37
  6. Step 6: Final answer
    x = 59,868,960.83

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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.