Home / 72,216,634.20-108,261,965.70-43,474,205.40

Finding the Fourth Proportional to 72,216,634.20, 108,261,965.70 and 43,474,205.40

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Solution

The fourth proportional to 72,216,634.20, 108,261,965.70 and 43,474,205.40 is: 65,173,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,216,634.20 : 108,261,965.70 = 43,474,205.40 : x
  2. Step 2: Convert to fraction form
    72,216,634.20/108,261,965.70 = 43,474,205.40/x
  3. Step 3: Cross multiply
    72,216,634.20x = 108,261,965.70 × 43,474,205.40
  4. Step 4: Simplify right side
    72,216,634.20x = 4,706,602,933,849,555
  5. Step 5: Solve for x
    x = 4,706,602,933,849,555/72,216,634.20
  6. Step 6: Final answer
    x = 65,173,390.95

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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.