Home / 79,184,878.80-118,845,699.69-54,940,831.02

Finding the Fourth Proportional to 79,184,878.80, 118,845,699.69 and 54,940,831.02

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Solution

The fourth proportional to 79,184,878.80, 118,845,699.69 and 54,940,831.02 is: 82,458,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184,878.80 : 118,845,699.69 = 54,940,831.02 : x
  2. Step 2: Convert to fraction form
    79,184,878.80/118,845,699.69 = 54,940,831.02/x
  3. Step 3: Cross multiply
    79,184,878.80x = 118,845,699.69 × 54,940,831.02
  4. Step 4: Simplify right side
    79,184,878.80x = 6,529,481,504,121,957
  5. Step 5: Solve for x
    x = 6,529,481,504,121,957/79,184,878.80
  6. Step 6: Final answer
    x = 82,458,691.65

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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.