Home / 78,436,952.85-117,669,791.71-32,353,682.13

Finding the Fourth Proportional to 78,436,952.85, 117,669,791.71 and 32,353,682.13

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Solution

The fourth proportional to 78,436,952.85, 117,669,791.71 and 32,353,682.13 is: 48,536,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,952.85 : 117,669,791.71 = 32,353,682.13 : x
  2. Step 2: Convert to fraction form
    78,436,952.85/117,669,791.71 = 32,353,682.13/x
  3. Step 3: Cross multiply
    78,436,952.85x = 117,669,791.71 × 32,353,682.13
  4. Step 4: Simplify right side
    78,436,952.85x = 3,807,051,036,619,416
  5. Step 5: Solve for x
    x = 3,807,051,036,619,416/78,436,952.85
  6. Step 6: Final answer
    x = 48,536,447.41

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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.