Home / 111,703,344.60-167,555,016.90-77,265,967.80

Finding the Fourth Proportional to 111,703,344.60, 167,555,016.90 and 77,265,967.80

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Solution

The fourth proportional to 111,703,344.60, 167,555,016.90 and 77,265,967.80 is: 115,898,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,703,344.60 : 167,555,016.90 = 77,265,967.80 : x
  2. Step 2: Convert to fraction form
    111,703,344.60/167,555,016.90 = 77,265,967.80/x
  3. Step 3: Cross multiply
    111,703,344.60x = 167,555,016.90 × 77,265,967.80
  4. Step 4: Simplify right side
    111,703,344.60x = 12,946,300,540,523,856
  5. Step 5: Solve for x
    x = 12,946,300,540,523,856/111,703,344.60
  6. Step 6: Final answer
    x = 115,898,951.70

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1.5x scale

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.