Home / 69,826,829.80-96,354,121.06-38,889,877.48

Finding the Fourth Proportional to 69,826,829.80, 96,354,121.06 and 38,889,877.48

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Solution

The fourth proportional to 69,826,829.80, 96,354,121.06 and 38,889,877.48 is: 53,664,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,826,829.80 : 96,354,121.06 = 38,889,877.48 : x
  2. Step 2: Convert to fraction form
    69,826,829.80/96,354,121.06 = 38,889,877.48/x
  3. Step 3: Cross multiply
    69,826,829.80x = 96,354,121.06 × 38,889,877.48
  4. Step 4: Simplify right side
    69,826,829.80x = 3,747,199,962,716,487.50
  5. Step 5: Solve for x
    x = 3,747,199,962,716,487.50/69,826,829.80
  6. Step 6: Final answer
    x = 53,664,185.72

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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.