Home / 287,820,524.78-431,761,043.01-93,747,063.26

Finding the Fourth Proportional to 287,820,524.78, 431,761,043.01 and 93,747,063.26

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Solution

The fourth proportional to 287,820,524.78, 431,761,043.01 and 93,747,063.26 is: 140,630,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,820,524.78 : 431,761,043.01 = 93,747,063.26 : x
  2. Step 2: Convert to fraction form
    287,820,524.78/431,761,043.01 = 93,747,063.26/x
  3. Step 3: Cross multiply
    287,820,524.78x = 431,761,043.01 × 93,747,063.26
  4. Step 4: Simplify right side
    287,820,524.78x = 40,476,329,812,262,056
  5. Step 5: Solve for x
    x = 40,476,329,812,262,056/287,820,524.78
  6. Step 6: Final answer
    x = 140,630,449.63

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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.