Home / 60,489,115.20-90,733,672.80-20,099,599.20

Finding the Fourth Proportional to 60,489,115.20, 90,733,672.80 and 20,099,599.20

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Solution

The fourth proportional to 60,489,115.20, 90,733,672.80 and 20,099,599.20 is: 30,149,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489,115.20 : 90,733,672.80 = 20,099,599.20 : x
  2. Step 2: Convert to fraction form
    60,489,115.20/90,733,672.80 = 20,099,599.20/x
  3. Step 3: Cross multiply
    60,489,115.20x = 90,733,672.80 × 20,099,599.20
  4. Step 4: Simplify right side
    60,489,115.20x = 1,823,710,457,223,941.75
  5. Step 5: Solve for x
    x = 1,823,710,457,223,941.75/60,489,115.20
  6. Step 6: Final answer
    x = 30,149,398.80

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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.