Home / 110,668,927.20-166,003,390.80-109,157,272.80

Finding the Fourth Proportional to 110,668,927.20, 166,003,390.80 and 109,157,272.80

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Solution

The fourth proportional to 110,668,927.20, 166,003,390.80 and 109,157,272.80 is: 163,735,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,927.20 : 166,003,390.80 = 109,157,272.80 : x
  2. Step 2: Convert to fraction form
    110,668,927.20/166,003,390.80 = 109,157,272.80/x
  3. Step 3: Cross multiply
    110,668,927.20x = 166,003,390.80 × 109,157,272.80
  4. Step 4: Simplify right side
    110,668,927.20x = 18,120,477,415,280,612
  5. Step 5: Solve for x
    x = 18,120,477,415,280,612/110,668,927.20
  6. Step 6: Final answer
    x = 163,735,909.20

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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.