Home / 48,268,936.40-72,403,404.60-39,765,880.40

Finding the Fourth Proportional to 48,268,936.40, 72,403,404.60 and 39,765,880.40

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Solution

The fourth proportional to 48,268,936.40, 72,403,404.60 and 39,765,880.40 is: 59,648,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268,936.40 : 72,403,404.60 = 39,765,880.40 : x
  2. Step 2: Convert to fraction form
    48,268,936.40/72,403,404.60 = 39,765,880.40/x
  3. Step 3: Cross multiply
    48,268,936.40x = 72,403,404.60 × 39,765,880.40
  4. Step 4: Simplify right side
    48,268,936.40x = 2,879,185,127,876,409.50
  5. Step 5: Solve for x
    x = 2,879,185,127,876,409.50/48,268,936.40
  6. Step 6: Final answer
    x = 59,648,820.60

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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.