Home / 69,735,464.38-104,618,328.81-21,212,057.05

Finding the Fourth Proportional to 69,735,464.38, 104,618,328.81 and 21,212,057.05

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Solution

The fourth proportional to 69,735,464.38, 104,618,328.81 and 21,212,057.05 is: 31,822,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,735,464.38 : 104,618,328.81 = 21,212,057.05 : x
  2. Step 2: Convert to fraction form
    69,735,464.38/104,618,328.81 = 21,212,057.05/x
  3. Step 3: Cross multiply
    69,735,464.38x = 104,618,328.81 × 21,212,057.05
  4. Step 4: Simplify right side
    69,735,464.38x = 2,219,169,959,193,378.75
  5. Step 5: Solve for x
    x = 2,219,169,959,193,378.75/69,735,464.38
  6. Step 6: Final answer
    x = 31,822,688.48

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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.