Home / 79,026,081.21-118,385,742.24-58,238,766.90

Finding the Fourth Proportional to 79,026,081.21, 118,385,742.24 and 58,238,766.90

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Solution

The fourth proportional to 79,026,081.21, 118,385,742.24 and 58,238,766.90 is: 87,245,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026,081.21 : 118,385,742.24 = 58,238,766.90 : x
  2. Step 2: Convert to fraction form
    79,026,081.21/118,385,742.24 = 58,238,766.90/x
  3. Step 3: Cross multiply
    79,026,081.21x = 118,385,742.24 × 58,238,766.90
  4. Step 4: Simplify right side
    79,026,081.21x = 6,894,639,646,598,843
  5. Step 5: Solve for x
    x = 6,894,639,646,598,843/79,026,081.21
  6. Step 6: Final answer
    x = 87,245,116.31

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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.