Home / 217,216,041.40-325,737,456.90-71,609,080.60

Finding the Fourth Proportional to 217,216,041.40, 325,737,456.90 and 71,609,080.60

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Solution

The fourth proportional to 217,216,041.40, 325,737,456.90 and 71,609,080.60 is: 107,385,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,216,041.40 : 325,737,456.90 = 71,609,080.60 : x
  2. Step 2: Convert to fraction form
    217,216,041.40/325,737,456.90 = 71,609,080.60/x
  3. Step 3: Cross multiply
    217,216,041.40x = 325,737,456.90 × 71,609,080.60
  4. Step 4: Simplify right side
    217,216,041.40x = 23,325,759,805,591,124
  5. Step 5: Solve for x
    x = 23,325,759,805,591,124/217,216,041.40
  6. Step 6: Final answer
    x = 107,385,069.98

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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.