Home / 133,385,618.75-184,072,153.88-72,338,834.75

Finding the Fourth Proportional to 133,385,618.75, 184,072,153.88 and 72,338,834.75

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Solution

The fourth proportional to 133,385,618.75, 184,072,153.88 and 72,338,834.75 is: 99,827,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,618.75 : 184,072,153.88 = 72,338,834.75 : x
  2. Step 2: Convert to fraction form
    133,385,618.75/184,072,153.88 = 72,338,834.75/x
  3. Step 3: Cross multiply
    133,385,618.75x = 184,072,153.88 × 72,338,834.75
  4. Step 4: Simplify right side
    133,385,618.75x = 13,315,565,121,240,198
  5. Step 5: Solve for x
    x = 13,315,565,121,240,198/133,385,618.75
  6. Step 6: Final answer
    x = 99,827,591.96

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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.