Home / 52,379,367.46-78,434,898.63-43,721,942.26

Finding the Fourth Proportional to 52,379,367.46, 78,434,898.63 and 43,721,942.26

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Solution

The fourth proportional to 52,379,367.46, 78,434,898.63 and 43,721,942.26 is: 65,470,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379,367.46 : 78,434,898.63 = 43,721,942.26 : x
  2. Step 2: Convert to fraction form
    52,379,367.46/78,434,898.63 = 43,721,942.26/x
  3. Step 3: Cross multiply
    52,379,367.46x = 78,434,898.63 × 43,721,942.26
  4. Step 4: Simplify right side
    52,379,367.46x = 3,429,326,109,069,812.50
  5. Step 5: Solve for x
    x = 3,429,326,109,069,812.50/52,379,367.46
  6. Step 6: Final answer
    x = 65,470,933.98

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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.