Home / 76,672,692.86-105,808,446.92-41,864,641.43

Finding the Fourth Proportional to 76,672,692.86, 105,808,446.92 and 41,864,641.43

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Solution

The fourth proportional to 76,672,692.86, 105,808,446.92 and 41,864,641.43 is: 57,773,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,672,692.86 : 105,808,446.92 = 41,864,641.43 : x
  2. Step 2: Convert to fraction form
    76,672,692.86/105,808,446.92 = 41,864,641.43/x
  3. Step 3: Cross multiply
    76,672,692.86x = 105,808,446.92 × 41,864,641.43
  4. Step 4: Simplify right side
    76,672,692.86x = 4,429,632,690,146,607
  5. Step 5: Solve for x
    x = 4,429,632,690,146,607/76,672,692.86
  6. Step 6: Final answer
    x = 57,773,276.58

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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.