Home / 148,565,732.81-205,027,114.52-82,486,234.31

Finding the Fourth Proportional to 148,565,732.81, 205,027,114.52 and 82,486,234.31

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Solution

The fourth proportional to 148,565,732.81, 205,027,114.52 and 82,486,234.31 is: 113,834,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,565,732.81 : 205,027,114.52 = 82,486,234.31 : x
  2. Step 2: Convert to fraction form
    148,565,732.81/205,027,114.52 = 82,486,234.31/x
  3. Step 3: Cross multiply
    148,565,732.81x = 205,027,114.52 × 82,486,234.31
  4. Step 4: Simplify right side
    148,565,732.81x = 16,911,914,608,987,902
  5. Step 5: Solve for x
    x = 16,911,914,608,987,902/148,565,732.81
  6. Step 6: Final answer
    x = 113,834,558.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.