Home / 45,764,617.70-68,590,939.35-20,178,467.30

Finding the Fourth Proportional to 45,764,617.70, 68,590,939.35 and 20,178,467.30

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Solution

The fourth proportional to 45,764,617.70, 68,590,939.35 and 20,178,467.30 is: 30,243,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764,617.70 : 68,590,939.35 = 20,178,467.30 : x
  2. Step 2: Convert to fraction form
    45,764,617.70/68,590,939.35 = 20,178,467.30/x
  3. Step 3: Cross multiply
    45,764,617.70x = 68,590,939.35 × 20,178,467.30
  4. Step 4: Simplify right side
    45,764,617.70x = 1,384,060,026,750,258.25
  5. Step 5: Solve for x
    x = 1,384,060,026,750,258.25/45,764,617.70
  6. Step 6: Final answer
    x = 30,243,015.16

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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.