Home / 231,840,296.80-347,760,445.20-163,815,848.80

Finding the Fourth Proportional to 231,840,296.80, 347,760,445.20 and 163,815,848.80

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Solution

The fourth proportional to 231,840,296.80, 347,760,445.20 and 163,815,848.80 is: 245,723,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840,296.80 : 347,760,445.20 = 163,815,848.80 : x
  2. Step 2: Convert to fraction form
    231,840,296.80/347,760,445.20 = 163,815,848.80/x
  3. Step 3: Cross multiply
    231,840,296.80x = 347,760,445.20 × 163,815,848.80
  4. Step 4: Simplify right side
    231,840,296.80x = 56,968,672,509,503,888
  5. Step 5: Solve for x
    x = 56,968,672,509,503,888/231,840,296.80
  6. Step 6: Final answer
    x = 245,723,773.20

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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.