Home / 118,992,221.72-178,394,460.74-75,180,634.77

Finding the Fourth Proportional to 118,992,221.72, 178,394,460.74 and 75,180,634.77

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Solution

The fourth proportional to 118,992,221.72, 178,394,460.74 and 75,180,634.77 is: 112,711,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,992,221.72 : 178,394,460.74 = 75,180,634.77 : x
  2. Step 2: Convert to fraction form
    118,992,221.72/178,394,460.74 = 75,180,634.77/x
  3. Step 3: Cross multiply
    118,992,221.72x = 178,394,460.74 × 75,180,634.77
  4. Step 4: Simplify right side
    118,992,221.72x = 13,411,808,797,351,324
  5. Step 5: Solve for x
    x = 13,411,808,797,351,324/118,992,221.72
  6. Step 6: Final answer
    x = 112,711,642.85

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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.