Home / 133,020,169.15-199,530,253.73-87,633,212.35

Finding the Fourth Proportional to 133,020,169.15, 199,530,253.73 and 87,633,212.35

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Solution

The fourth proportional to 133,020,169.15, 199,530,253.73 and 87,633,212.35 is: 131,449,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,169.15 : 199,530,253.73 = 87,633,212.35 : x
  2. Step 2: Convert to fraction form
    133,020,169.15/199,530,253.73 = 87,633,212.35/x
  3. Step 3: Cross multiply
    133,020,169.15x = 199,530,253.73 × 87,633,212.35
  4. Step 4: Simplify right side
    133,020,169.15x = 17,485,477,095,370,468
  5. Step 5: Solve for x
    x = 17,485,477,095,370,468/133,020,169.15
  6. Step 6: Final answer
    x = 131,449,818.53

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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.