Home / 90,922,225.68-136,384,520.43-30,337,951.68

Finding the Fourth Proportional to 90,922,225.68, 136,384,520.43 and 30,337,951.68

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Solution

The fourth proportional to 90,922,225.68, 136,384,520.43 and 30,337,951.68 is: 45,507,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922,225.68 : 136,384,520.43 = 30,337,951.68 : x
  2. Step 2: Convert to fraction form
    90,922,225.68/136,384,520.43 = 30,337,951.68/x
  3. Step 3: Cross multiply
    90,922,225.68x = 136,384,520.43 × 30,337,951.68
  4. Step 4: Simplify right side
    90,922,225.68x = 4,137,626,990,705,313
  5. Step 5: Solve for x
    x = 4,137,626,990,705,313/90,922,225.68
  6. Step 6: Final answer
    x = 45,507,321.89

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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.