Home / 42,178,861.62-63,267,701.85-16,620,092.46

Finding the Fourth Proportional to 42,178,861.62, 63,267,701.85 and 16,620,092.46

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Solution

The fourth proportional to 42,178,861.62, 63,267,701.85 and 16,620,092.46 is: 24,929,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,178,861.62 : 63,267,701.85 = 16,620,092.46 : x
  2. Step 2: Convert to fraction form
    42,178,861.62/63,267,701.85 = 16,620,092.46/x
  3. Step 3: Cross multiply
    42,178,861.62x = 63,267,701.85 × 16,620,092.46
  4. Step 4: Simplify right side
    42,178,861.62x = 1,051,515,054,478,713.12
  5. Step 5: Solve for x
    x = 1,051,515,054,478,713.12/42,178,861.62
  6. Step 6: Final answer
    x = 24,929,905.98

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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.