Home / 231,838,564.80-347,757,847.20-163,814,116.80

Finding the Fourth Proportional to 231,838,564.80, 347,757,847.20 and 163,814,116.80

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Solution

The fourth proportional to 231,838,564.80, 347,757,847.20 and 163,814,116.80 is: 245,721,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,838,564.80 : 347,757,847.20 = 163,814,116.80 : x
  2. Step 2: Convert to fraction form
    231,838,564.80/347,757,847.20 = 163,814,116.80/x
  3. Step 3: Cross multiply
    231,838,564.80x = 347,757,847.20 × 163,814,116.80
  4. Step 4: Simplify right side
    231,838,564.80x = 56,967,644,599,337,352
  5. Step 5: Solve for x
    x = 56,967,644,599,337,352/231,838,564.80
  6. Step 6: Final answer
    x = 245,721,175.20

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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.