Home / 168,509,580.70-252,764,371.05-77,810,316.70

Finding the Fourth Proportional to 168,509,580.70, 252,764,371.05 and 77,810,316.70

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Solution

The fourth proportional to 168,509,580.70, 252,764,371.05 and 77,810,316.70 is: 116,715,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,509,580.70 : 252,764,371.05 = 77,810,316.70 : x
  2. Step 2: Convert to fraction form
    168,509,580.70/252,764,371.05 = 77,810,316.70/x
  3. Step 3: Cross multiply
    168,509,580.70x = 252,764,371.05 × 77,810,316.70
  4. Step 4: Simplify right side
    168,509,580.70x = 19,667,675,761,876,812
  5. Step 5: Solve for x
    x = 19,667,675,761,876,812/168,509,580.70
  6. Step 6: Final answer
    x = 116,715,475.05

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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.