Home / 231,552,006.40-347,328,009.60-140,703,443.20

Finding the Fourth Proportional to 231,552,006.40, 347,328,009.60 and 140,703,443.20

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Solution

The fourth proportional to 231,552,006.40, 347,328,009.60 and 140,703,443.20 is: 211,055,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,552,006.40 : 347,328,009.60 = 140,703,443.20 : x
  2. Step 2: Convert to fraction form
    231,552,006.40/347,328,009.60 = 140,703,443.20/x
  3. Step 3: Cross multiply
    231,552,006.40x = 347,328,009.60 × 140,703,443.20
  4. Step 4: Simplify right side
    231,552,006.40x = 48,870,246,870,522,656
  5. Step 5: Solve for x
    x = 48,870,246,870,522,656/231,552,006.40
  6. Step 6: Final answer
    x = 211,055,164.80

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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.