Home / 84,142,214.64-126,217,914.48-26,630,194.32

Finding the Fourth Proportional to 84,142,214.64, 126,217,914.48 and 26,630,194.32

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Solution

The fourth proportional to 84,142,214.64, 126,217,914.48 and 26,630,194.32 is: 39,946,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,142,214.64 : 126,217,914.48 = 26,630,194.32 : x
  2. Step 2: Convert to fraction form
    84,142,214.64/126,217,914.48 = 26,630,194.32/x
  3. Step 3: Cross multiply
    84,142,214.64x = 126,217,914.48 × 26,630,194.32
  4. Step 4: Simplify right side
    84,142,214.64x = 3,361,207,589,267,542
  5. Step 5: Solve for x
    x = 3,361,207,589,267,542/84,142,214.64
  6. Step 6: Final answer
    x = 39,946,744.97

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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.