Home / 231,732,515.20-347,797,838.40-102,538,940.80

Finding the Fourth Proportional to 231,732,515.20, 347,797,838.40 and 102,538,940.80

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Solution

The fourth proportional to 231,732,515.20, 347,797,838.40 and 102,538,940.80 is: 153,896,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,732,515.20 : 347,797,838.40 = 102,538,940.80 : x
  2. Step 2: Convert to fraction form
    231,732,515.20/347,797,838.40 = 102,538,940.80/x
  3. Step 3: Cross multiply
    231,732,515.20x = 347,797,838.40 × 102,538,940.80
  4. Step 4: Simplify right side
    231,732,515.20x = 35,662,821,962,065,564
  5. Step 5: Solve for x
    x = 35,662,821,962,065,564/231,732,515.20
  6. Step 6: Final answer
    x = 153,896,495.41

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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.