Home / 103,560,280.80-155,216,005.20-42,944,805.60

Finding the Fourth Proportional to 103,560,280.80, 155,216,005.20 and 42,944,805.60

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Solution

The fourth proportional to 103,560,280.80, 155,216,005.20 and 42,944,805.60 is: 64,365,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,560,280.80 : 155,216,005.20 = 42,944,805.60 : x
  2. Step 2: Convert to fraction form
    103,560,280.80/155,216,005.20 = 42,944,805.60/x
  3. Step 3: Cross multiply
    103,560,280.80x = 155,216,005.20 × 42,944,805.60
  4. Step 4: Simplify right side
    103,560,280.80x = 6,665,721,169,322,589
  5. Step 5: Solve for x
    x = 6,665,721,169,322,589/103,560,280.80
  6. Step 6: Final answer
    x = 64,365,615.06

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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.