Home / 68,717,410.74-103,076,135.32-20,195,261.90

Finding the Fourth Proportional to 68,717,410.74, 103,076,135.32 and 20,195,261.90

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Solution

The fourth proportional to 68,717,410.74, 103,076,135.32 and 20,195,261.90 is: 30,292,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,410.74 : 103,076,135.32 = 20,195,261.90 : x
  2. Step 2: Convert to fraction form
    68,717,410.74/103,076,135.32 = 20,195,261.90/x
  3. Step 3: Cross multiply
    68,717,410.74x = 103,076,135.32 × 20,195,261.90
  4. Step 4: Simplify right side
    68,717,410.74x = 2,081,649,548,427,240
  5. Step 5: Solve for x
    x = 2,081,649,548,427,240/68,717,410.74
  6. Step 6: Final answer
    x = 30,292,898.50

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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.