Home / 133,385,651.25-184,072,198.77-72,338,867.25

Finding the Fourth Proportional to 133,385,651.25, 184,072,198.77 and 72,338,867.25

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Solution

The fourth proportional to 133,385,651.25, 184,072,198.77 and 72,338,867.25 is: 99,827,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,651.25 : 184,072,198.77 = 72,338,867.25 : x
  2. Step 2: Convert to fraction form
    133,385,651.25/184,072,198.77 = 72,338,867.25/x
  3. Step 3: Cross multiply
    133,385,651.25x = 184,072,198.77 × 72,338,867.25
  4. Step 4: Simplify right side
    133,385,651.25x = 13,315,574,351,238,644
  5. Step 5: Solve for x
    x = 13,315,574,351,238,644/133,385,651.25
  6. Step 6: Final answer
    x = 99,827,636.83

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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.