Home / 190,635,700.38-285,996,328.26-61,250,680.86

Finding the Fourth Proportional to 190,635,700.38, 285,996,328.26 and 61,250,680.86

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Solution

The fourth proportional to 190,635,700.38, 285,996,328.26 and 61,250,680.86 is: 91,889,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,700.38 : 285,996,328.26 = 61,250,680.86 : x
  2. Step 2: Convert to fraction form
    190,635,700.38/285,996,328.26 = 61,250,680.86/x
  3. Step 3: Cross multiply
    190,635,700.38x = 285,996,328.26 × 61,250,680.86
  4. Step 4: Simplify right side
    190,635,700.38x = 17,517,469,829,385,058
  5. Step 5: Solve for x
    x = 17,517,469,829,385,058/190,635,700.38
  6. Step 6: Final answer
    x = 91,889,765.63

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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.