Home / 231,835,560.30-347,753,340.45-163,811,112.30

Finding the Fourth Proportional to 231,835,560.30, 347,753,340.45 and 163,811,112.30

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Solution

The fourth proportional to 231,835,560.30, 347,753,340.45 and 163,811,112.30 is: 245,716,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835,560.30 : 347,753,340.45 = 163,811,112.30 : x
  2. Step 2: Convert to fraction form
    231,835,560.30/347,753,340.45 = 163,811,112.30/x
  3. Step 3: Cross multiply
    231,835,560.30x = 347,753,340.45 × 163,811,112.30
  4. Step 4: Simplify right side
    231,835,560.30x = 56,965,861,505,155,088
  5. Step 5: Solve for x
    x = 56,965,861,505,155,088/231,835,560.30
  6. Step 6: Final answer
    x = 245,716,668.45

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Double scale
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1.5x scale

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.