Home / 42,425,218.78-63,611,784.24-16,487,234.30

Finding the Fourth Proportional to 42,425,218.78, 63,611,784.24 and 16,487,234.30

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Solution

The fourth proportional to 42,425,218.78, 63,611,784.24 and 16,487,234.30 is: 24,720,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425,218.78 : 63,611,784.24 = 16,487,234.30 : x
  2. Step 2: Convert to fraction form
    42,425,218.78/63,611,784.24 = 16,487,234.30/x
  3. Step 3: Cross multiply
    42,425,218.78x = 63,611,784.24 × 16,487,234.30
  4. Step 4: Simplify right side
    42,425,218.78x = 1,048,782,391,242,265.62
  5. Step 5: Solve for x
    x = 1,048,782,391,242,265.62/42,425,218.78
  6. Step 6: Final answer
    x = 24,720,730.29

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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.