Home / 56,900,023,087.20-85,316,951,087.52-21,530,110,821.12

Finding the Fourth Proportional to 56,900,023,087.20, 85,316,951,087.52 and 21,530,110,821.12

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Solution

The fourth proportional to 56,900,023,087.20, 85,316,951,087.52 and 21,530,110,821.12 is: 32,282,647,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900,023,087.20 : 85,316,951,087.52 = 21,530,110,821.12 : x
  2. Step 2: Convert to fraction form
    56,900,023,087.20/85,316,951,087.52 = 21,530,110,821.12/x
  3. Step 3: Cross multiply
    56,900,023,087.20x = 85,316,951,087.52 × 21,530,110,821.12
  4. Step 4: Simplify right side
    56,900,023,087.20x = 1,836,883,411,834,380,222,464
  5. Step 5: Solve for x
    x = 1,836,883,411,834,380,222,464/56,900,023,087.20
  6. Step 6: Final answer
    x = 32,282,647,917.72

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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.