Home / 57,003,631.49-85,505,456.12-13,872,834.69

Finding the Fourth Proportional to 57,003,631.49, 85,505,456.12 and 13,872,834.69

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Solution

The fourth proportional to 57,003,631.49, 85,505,456.12 and 13,872,834.69 is: 20,809,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003,631.49 : 85,505,456.12 = 13,872,834.69 : x
  2. Step 2: Convert to fraction form
    57,003,631.49/85,505,456.12 = 13,872,834.69/x
  3. Step 3: Cross multiply
    57,003,631.49x = 85,505,456.12 × 13,872,834.69
  4. Step 4: Simplify right side
    57,003,631.49x = 1,186,203,057,696,240.50
  5. Step 5: Solve for x
    x = 1,186,203,057,696,240.50/57,003,631.49
  6. Step 6: Final answer
    x = 20,809,254.20

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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.