Home / 56,530,657.20-84,795,985.80-20,180,092.80

Finding the Fourth Proportional to 56,530,657.20, 84,795,985.80 and 20,180,092.80

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Solution

The fourth proportional to 56,530,657.20, 84,795,985.80 and 20,180,092.80 is: 30,270,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,530,657.20 : 84,795,985.80 = 20,180,092.80 : x
  2. Step 2: Convert to fraction form
    56,530,657.20/84,795,985.80 = 20,180,092.80/x
  3. Step 3: Cross multiply
    56,530,657.20x = 84,795,985.80 × 20,180,092.80
  4. Step 4: Simplify right side
    56,530,657.20x = 1,711,190,862,511,482.25
  5. Step 5: Solve for x
    x = 1,711,190,862,511,482.25/56,530,657.20
  6. Step 6: Final answer
    x = 30,270,139.20

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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.