Home / 71,877,062.85-99,190,351.08-40,940,110.77

Finding the Fourth Proportional to 71,877,062.85, 99,190,351.08 and 40,940,110.77

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Solution

The fourth proportional to 71,877,062.85, 99,190,351.08 and 40,940,110.77 is: 56,497,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,877,062.85 : 99,190,351.08 = 40,940,110.77 : x
  2. Step 2: Convert to fraction form
    71,877,062.85/99,190,351.08 = 40,940,110.77/x
  3. Step 3: Cross multiply
    71,877,062.85x = 99,190,351.08 × 40,940,110.77
  4. Step 4: Simplify right side
    71,877,062.85x = 4,060,863,960,530,389.50
  5. Step 5: Solve for x
    x = 4,060,863,960,530,389.50/71,877,062.85
  6. Step 6: Final answer
    x = 56,497,355.34

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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.