Home / 30,215,041.20-45,322,561.80-26,105,230.80

Finding the Fourth Proportional to 30,215,041.20, 45,322,561.80 and 26,105,230.80

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Solution

The fourth proportional to 30,215,041.20, 45,322,561.80 and 26,105,230.80 is: 39,157,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,041.20 : 45,322,561.80 = 26,105,230.80 : x
  2. Step 2: Convert to fraction form
    30,215,041.20/45,322,561.80 = 26,105,230.80/x
  3. Step 3: Cross multiply
    30,215,041.20x = 45,322,561.80 × 26,105,230.80
  4. Step 4: Simplify right side
    30,215,041.20x = 1,183,155,936,236,263.50
  5. Step 5: Solve for x
    x = 1,183,155,936,236,263.50/30,215,041.20
  6. Step 6: Final answer
    x = 39,157,846.20

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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.