Home / 82,515,683.70-123,683,129.55-41,509,725.30

Finding the Fourth Proportional to 82,515,683.70, 123,683,129.55 and 41,509,725.30

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Solution

The fourth proportional to 82,515,683.70, 123,683,129.55 and 41,509,725.30 is: 62,219,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,515,683.70 : 123,683,129.55 = 41,509,725.30 : x
  2. Step 2: Convert to fraction form
    82,515,683.70/123,683,129.55 = 41,509,725.30/x
  3. Step 3: Cross multiply
    82,515,683.70x = 123,683,129.55 × 41,509,725.30
  4. Step 4: Simplify right side
    82,515,683.70x = 5,134,052,731,864,812
  5. Step 5: Solve for x
    x = 5,134,052,731,864,812/82,515,683.70
  6. Step 6: Final answer
    x = 62,219,114.01

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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.