Home / 100,392,351.40-150,585,416.70-28,588,767.40

Finding the Fourth Proportional to 100,392,351.40, 150,585,416.70 and 28,588,767.40

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Solution

The fourth proportional to 100,392,351.40, 150,585,416.70 and 28,588,767.40 is: 42,882,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,392,351.40 : 150,585,416.70 = 28,588,767.40 : x
  2. Step 2: Convert to fraction form
    100,392,351.40/150,585,416.70 = 28,588,767.40/x
  3. Step 3: Cross multiply
    100,392,351.40x = 150,585,416.70 × 28,588,767.40
  4. Step 4: Simplify right side
    100,392,351.40x = 4,305,051,451,868,375
  5. Step 5: Solve for x
    x = 4,305,051,451,868,375/100,392,351.40
  6. Step 6: Final answer
    x = 42,882,265.35

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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.