Home / 68,361,437.50-102,538,538.72-19,180,715.60

Finding the Fourth Proportional to 68,361,437.50, 102,538,538.72 and 19,180,715.60

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Solution

The fourth proportional to 68,361,437.50, 102,538,538.72 and 19,180,715.60 is: 28,770,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,361,437.50 : 102,538,538.72 = 19,180,715.60 : x
  2. Step 2: Convert to fraction form
    68,361,437.50/102,538,538.72 = 19,180,715.60/x
  3. Step 3: Cross multiply
    68,361,437.50x = 102,538,538.72 × 19,180,715.60
  4. Step 4: Simplify right side
    68,361,437.50x = 1,966,762,549,469,136.25
  5. Step 5: Solve for x
    x = 1,966,762,549,469,136.25/68,361,437.50
  6. Step 6: Final answer
    x = 28,770,058.41

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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.