Home / 68,791,433.40-94,921,339.32-39,417,114.69

Finding the Fourth Proportional to 68,791,433.40, 94,921,339.32 and 39,417,114.69

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Solution

The fourth proportional to 68,791,433.40, 94,921,339.32 and 39,417,114.69 is: 54,389,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791,433.40 : 94,921,339.32 = 39,417,114.69 : x
  2. Step 2: Convert to fraction form
    68,791,433.40/94,921,339.32 = 39,417,114.69/x
  3. Step 3: Cross multiply
    68,791,433.40x = 94,921,339.32 × 39,417,114.69
  4. Step 4: Simplify right side
    68,791,433.40x = 3,741,525,318,504,846
  5. Step 5: Solve for x
    x = 3,741,525,318,504,846/68,791,433.40
  6. Step 6: Final answer
    x = 54,389,407.72

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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.