Home / 80,593,090.80-120,889,636.20-26,733,404.40

Finding the Fourth Proportional to 80,593,090.80, 120,889,636.20 and 26,733,404.40

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Solution

The fourth proportional to 80,593,090.80, 120,889,636.20 and 26,733,404.40 is: 40,100,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,593,090.80 : 120,889,636.20 = 26,733,404.40 : x
  2. Step 2: Convert to fraction form
    80,593,090.80/120,889,636.20 = 26,733,404.40/x
  3. Step 3: Cross multiply
    80,593,090.80x = 120,889,636.20 × 26,733,404.40
  4. Step 4: Simplify right side
    80,593,090.80x = 3,231,791,532,303,479
  5. Step 5: Solve for x
    x = 3,231,791,532,303,479/80,593,090.80
  6. Step 6: Final answer
    x = 40,100,106.60

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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.