Home / 48,385,474.80-72,727,511.40-47,489,679.60

Finding the Fourth Proportional to 48,385,474.80, 72,727,511.40 and 47,489,679.60

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Solution

The fourth proportional to 48,385,474.80, 72,727,511.40 and 47,489,679.60 is: 71,381,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,474.80 : 72,727,511.40 = 47,489,679.60 : x
  2. Step 2: Convert to fraction form
    48,385,474.80/72,727,511.40 = 47,489,679.60/x
  3. Step 3: Cross multiply
    48,385,474.80x = 72,727,511.40 × 47,489,679.60
  4. Step 4: Simplify right side
    48,385,474.80x = 3,453,806,214,491,348
  5. Step 5: Solve for x
    x = 3,453,806,214,491,348/48,385,474.80
  6. Step 6: Final answer
    x = 71,381,054.52

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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.