Home / 82,392,133.80-123,588,200.70-47,907,517.80

Finding the Fourth Proportional to 82,392,133.80, 123,588,200.70 and 47,907,517.80

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Solution

The fourth proportional to 82,392,133.80, 123,588,200.70 and 47,907,517.80 is: 71,861,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392,133.80 : 123,588,200.70 = 47,907,517.80 : x
  2. Step 2: Convert to fraction form
    82,392,133.80/123,588,200.70 = 47,907,517.80/x
  3. Step 3: Cross multiply
    82,392,133.80x = 123,588,200.70 × 47,907,517.80
  4. Step 4: Simplify right side
    82,392,133.80x = 5,920,803,924,905,222
  5. Step 5: Solve for x
    x = 5,920,803,924,905,222/82,392,133.80
  6. Step 6: Final answer
    x = 71,861,276.70

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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.