Home / 53,752,471.20-74,175,213.24-30,544,377.12

Finding the Fourth Proportional to 53,752,471.20, 74,175,213.24 and 30,544,377.12

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Solution

The fourth proportional to 53,752,471.20, 74,175,213.24 and 30,544,377.12 is: 42,149,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752,471.20 : 74,175,213.24 = 30,544,377.12 : x
  2. Step 2: Convert to fraction form
    53,752,471.20/74,175,213.24 = 30,544,377.12/x
  3. Step 3: Cross multiply
    53,752,471.20x = 74,175,213.24 × 30,544,377.12
  4. Step 4: Simplify right side
    53,752,471.20x = 2,265,635,686,158,977
  5. Step 5: Solve for x
    x = 2,265,635,686,158,977/53,752,471.20
  6. Step 6: Final answer
    x = 42,149,423.75

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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.