Home / 44,286,037.20-66,429,055.80-20,398,165.20

Finding the Fourth Proportional to 44,286,037.20, 66,429,055.80 and 20,398,165.20

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Solution

The fourth proportional to 44,286,037.20, 66,429,055.80 and 20,398,165.20 is: 30,597,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,286,037.20 : 66,429,055.80 = 20,398,165.20 : x
  2. Step 2: Convert to fraction form
    44,286,037.20/66,429,055.80 = 20,398,165.20/x
  3. Step 3: Cross multiply
    44,286,037.20x = 66,429,055.80 × 20,398,165.20
  4. Step 4: Simplify right side
    44,286,037.20x = 1,355,030,854,288,418
  5. Step 5: Solve for x
    x = 1,355,030,854,288,418/44,286,037.20
  6. Step 6: Final answer
    x = 30,597,247.80

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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.