Home / 70,616,791.71-105,925,525.87-21,433,072.26

Finding the Fourth Proportional to 70,616,791.71, 105,925,525.87 and 21,433,072.26

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Solution

The fourth proportional to 70,616,791.71, 105,925,525.87 and 21,433,072.26 is: 32,149,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,616,791.71 : 105,925,525.87 = 21,433,072.26 : x
  2. Step 2: Convert to fraction form
    70,616,791.71/105,925,525.87 = 21,433,072.26/x
  3. Step 3: Cross multiply
    70,616,791.71x = 105,925,525.87 × 21,433,072.26
  4. Step 4: Simplify right side
    70,616,791.71x = 2,270,309,450,069,835.50
  5. Step 5: Solve for x
    x = 2,270,309,450,069,835.50/70,616,791.71
  6. Step 6: Final answer
    x = 32,149,711.07

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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.