Home / 90,733,672.80-136,100,509.20-30,149,398.80

Finding the Fourth Proportional to 90,733,672.80, 136,100,509.20 and 30,149,398.80

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Solution

The fourth proportional to 90,733,672.80, 136,100,509.20 and 30,149,398.80 is: 45,224,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733,672.80 : 136,100,509.20 = 30,149,398.80 : x
  2. Step 2: Convert to fraction form
    90,733,672.80/136,100,509.20 = 30,149,398.80/x
  3. Step 3: Cross multiply
    90,733,672.80x = 136,100,509.20 × 30,149,398.80
  4. Step 4: Simplify right side
    90,733,672.80x = 4,103,348,528,753,868.50
  5. Step 5: Solve for x
    x = 4,103,348,528,753,868.50/90,733,672.80
  6. Step 6: Final answer
    x = 45,224,098.20

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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.