Home / 50,273,398.72-69,377,348.64-28,543,366.72

Finding the Fourth Proportional to 50,273,398.72, 69,377,348.64 and 28,543,366.72

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Solution

The fourth proportional to 50,273,398.72, 69,377,348.64 and 28,543,366.72 is: 39,389,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,273,398.72 : 69,377,348.64 = 28,543,366.72 : x
  2. Step 2: Convert to fraction form
    50,273,398.72/69,377,348.64 = 28,543,366.72/x
  3. Step 3: Cross multiply
    50,273,398.72x = 69,377,348.64 × 28,543,366.72
  4. Step 4: Simplify right side
    50,273,398.72x = 1,980,263,104,292,813.25
  5. Step 5: Solve for x
    x = 1,980,263,104,292,813.25/50,273,398.72
  6. Step 6: Final answer
    x = 39,389,879.23

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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.