Home / 215,681,447.70-323,522,171.55-164,663,111.70

Finding the Fourth Proportional to 215,681,447.70, 323,522,171.55 and 164,663,111.70

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Solution

The fourth proportional to 215,681,447.70, 323,522,171.55 and 164,663,111.70 is: 246,994,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,681,447.70 : 323,522,171.55 = 164,663,111.70 : x
  2. Step 2: Convert to fraction form
    215,681,447.70/323,522,171.55 = 164,663,111.70/x
  3. Step 3: Cross multiply
    215,681,447.70x = 323,522,171.55 × 164,663,111.70
  4. Step 4: Simplify right side
    215,681,447.70x = 53,272,167,471,364,208
  5. Step 5: Solve for x
    x = 53,272,167,471,364,208/215,681,447.70
  6. Step 6: Final answer
    x = 246,994,667.55

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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.