Home / 80,856,800.60-121,285,200.90-37,810,079.60

Finding the Fourth Proportional to 80,856,800.60, 121,285,200.90 and 37,810,079.60

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Solution

The fourth proportional to 80,856,800.60, 121,285,200.90 and 37,810,079.60 is: 56,715,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856,800.60 : 121,285,200.90 = 37,810,079.60 : x
  2. Step 2: Convert to fraction form
    80,856,800.60/121,285,200.90 = 37,810,079.60/x
  3. Step 3: Cross multiply
    80,856,800.60x = 121,285,200.90 × 37,810,079.60
  4. Step 4: Simplify right side
    80,856,800.60x = 4,585,803,100,330,992
  5. Step 5: Solve for x
    x = 4,585,803,100,330,992/80,856,800.60
  6. Step 6: Final answer
    x = 56,715,119.40

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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.