Home / 78,176,095.28-107,883,138.60-43,368,786.56

Finding the Fourth Proportional to 78,176,095.28, 107,883,138.60 and 43,368,786.56

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Solution

The fourth proportional to 78,176,095.28, 107,883,138.60 and 43,368,786.56 is: 59,848,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,176,095.28 : 107,883,138.60 = 43,368,786.56 : x
  2. Step 2: Convert to fraction form
    78,176,095.28/107,883,138.60 = 43,368,786.56/x
  3. Step 3: Cross multiply
    78,176,095.28x = 107,883,138.60 × 43,368,786.56
  4. Step 4: Simplify right side
    78,176,095.28x = 4,678,760,811,366,297
  5. Step 5: Solve for x
    x = 4,678,760,811,366,297/78,176,095.28
  6. Step 6: Final answer
    x = 59,848,995.97

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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.