Home / 60,515,181.60-90,772,772.40-20,125,665.60

Finding the Fourth Proportional to 60,515,181.60, 90,772,772.40 and 20,125,665.60

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Solution

The fourth proportional to 60,515,181.60, 90,772,772.40 and 20,125,665.60 is: 30,188,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515,181.60 : 90,772,772.40 = 20,125,665.60 : x
  2. Step 2: Convert to fraction form
    60,515,181.60/90,772,772.40 = 20,125,665.60/x
  3. Step 3: Cross multiply
    60,515,181.60x = 90,772,772.40 × 20,125,665.60
  4. Step 4: Simplify right side
    60,515,181.60x = 1,826,862,462,907,309.75
  5. Step 5: Solve for x
    x = 1,826,862,462,907,309.75/60,515,181.60
  6. Step 6: Final answer
    x = 30,188,498.40

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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.