Home / 53,915,475.20-80,895,331.20-19,853,139.20

Finding the Fourth Proportional to 53,915,475.20, 80,895,331.20 and 19,853,139.20

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Solution

The fourth proportional to 53,915,475.20, 80,895,331.20 and 19,853,139.20 is: 29,787,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915,475.20 : 80,895,331.20 = 19,853,139.20 : x
  2. Step 2: Convert to fraction form
    53,915,475.20/80,895,331.20 = 19,853,139.20/x
  3. Step 3: Cross multiply
    53,915,475.20x = 80,895,331.20 × 19,853,139.20
  4. Step 4: Simplify right side
    53,915,475.20x = 1,606,026,270,943,703
  5. Step 5: Solve for x
    x = 1,606,026,270,943,703/53,915,475.20
  6. Step 6: Final answer
    x = 29,787,853.39

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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.