Home / 216,219,929.72-324,385,179.22-62,865,986.16

Finding the Fourth Proportional to 216,219,929.72, 324,385,179.22 and 62,865,986.16

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Solution

The fourth proportional to 216,219,929.72, 324,385,179.22 and 62,865,986.16 is: 94,315,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219,929.72 : 324,385,179.22 = 62,865,986.16 : x
  2. Step 2: Convert to fraction form
    216,219,929.72/324,385,179.22 = 62,865,986.16/x
  3. Step 3: Cross multiply
    216,219,929.72x = 324,385,179.22 × 62,865,986.16
  4. Step 4: Simplify right side
    216,219,929.72x = 20,392,794,187,353,640
  5. Step 5: Solve for x
    x = 20,392,794,187,353,640/216,219,929.72
  6. Step 6: Final answer
    x = 94,315,053.26

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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.