Home / 231,794,663.40-347,691,995.10-70,215,604.20

Finding the Fourth Proportional to 231,794,663.40, 347,691,995.10 and 70,215,604.20

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Solution

The fourth proportional to 231,794,663.40, 347,691,995.10 and 70,215,604.20 is: 105,323,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,794,663.40 : 347,691,995.10 = 70,215,604.20 : x
  2. Step 2: Convert to fraction form
    231,794,663.40/347,691,995.10 = 70,215,604.20/x
  3. Step 3: Cross multiply
    231,794,663.40x = 347,691,995.10 × 70,215,604.20
  4. Step 4: Simplify right side
    231,794,663.40x = 24,413,403,511,449,944
  5. Step 5: Solve for x
    x = 24,413,403,511,449,944/231,794,663.40
  6. Step 6: Final answer
    x = 105,323,406.30

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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.