Home / 208,632,671.20-312,949,006.80-106,595,999.20

Finding the Fourth Proportional to 208,632,671.20, 312,949,006.80 and 106,595,999.20

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Solution

The fourth proportional to 208,632,671.20, 312,949,006.80 and 106,595,999.20 is: 159,893,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,632,671.20 : 312,949,006.80 = 106,595,999.20 : x
  2. Step 2: Convert to fraction form
    208,632,671.20/312,949,006.80 = 106,595,999.20/x
  3. Step 3: Cross multiply
    208,632,671.20x = 312,949,006.80 × 106,595,999.20
  4. Step 4: Simplify right side
    208,632,671.20x = 33,359,112,078,493,596
  5. Step 5: Solve for x
    x = 33,359,112,078,493,596/208,632,671.20
  6. Step 6: Final answer
    x = 159,893,998.80

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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.