Home / 215,681,433.20-323,522,149.80-164,663,097.20

Finding the Fourth Proportional to 215,681,433.20, 323,522,149.80 and 164,663,097.20

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Solution

The fourth proportional to 215,681,433.20, 323,522,149.80 and 164,663,097.20 is: 246,994,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,681,433.20 : 323,522,149.80 = 164,663,097.20 : x
  2. Step 2: Convert to fraction form
    215,681,433.20/323,522,149.80 = 164,663,097.20/x
  3. Step 3: Cross multiply
    215,681,433.20x = 323,522,149.80 × 164,663,097.20
  4. Step 4: Simplify right side
    215,681,433.20x = 53,272,159,198,870,360
  5. Step 5: Solve for x
    x = 53,272,159,198,870,360/215,681,433.20
  6. Step 6: Final answer
    x = 246,994,645.80

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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.