Home / 79,239,289.86-118,867,087.86-27,423,801.58

Finding the Fourth Proportional to 79,239,289.86, 118,867,087.86 and 27,423,801.58

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Solution

The fourth proportional to 79,239,289.86, 118,867,087.86 and 27,423,801.58 is: 41,138,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,239,289.86 : 118,867,087.86 = 27,423,801.58 : x
  2. Step 2: Convert to fraction form
    79,239,289.86/118,867,087.86 = 27,423,801.58/x
  3. Step 3: Cross multiply
    79,239,289.86x = 118,867,087.86 × 27,423,801.58
  4. Step 4: Simplify right side
    79,239,289.86x = 3,259,787,431,865,066.50
  5. Step 5: Solve for x
    x = 3,259,787,431,865,066.50/79,239,289.86
  6. Step 6: Final answer
    x = 41,138,524.05

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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.