Home / 79,917,339.12-110,286,205.20-43,247,900.40

Finding the Fourth Proportional to 79,917,339.12, 110,286,205.20 and 43,247,900.40

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Solution

The fourth proportional to 79,917,339.12, 110,286,205.20 and 43,247,900.40 is: 59,682,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,917,339.12 : 110,286,205.20 = 43,247,900.40 : x
  2. Step 2: Convert to fraction form
    79,917,339.12/110,286,205.20 = 43,247,900.40/x
  3. Step 3: Cross multiply
    79,917,339.12x = 110,286,205.20 × 43,247,900.40
  4. Step 4: Simplify right side
    79,917,339.12x = 4,769,646,817,983,562
  5. Step 5: Solve for x
    x = 4,769,646,817,983,562/79,917,339.12
  6. Step 6: Final answer
    x = 59,682,252.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.