Home / 168,481,835.28-252,722,752.86-40,831,019.28

Finding the Fourth Proportional to 168,481,835.28, 252,722,752.86 and 40,831,019.28

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Solution

The fourth proportional to 168,481,835.28, 252,722,752.86 and 40,831,019.28 is: 61,246,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481,835.28 : 252,722,752.86 = 40,831,019.28 : x
  2. Step 2: Convert to fraction form
    168,481,835.28/252,722,752.86 = 40,831,019.28/x
  3. Step 3: Cross multiply
    168,481,835.28x = 252,722,752.86 × 40,831,019.28
  4. Step 4: Simplify right side
    168,481,835.28x = 10,318,927,594,521,336
  5. Step 5: Solve for x
    x = 10,318,927,594,521,336/168,481,835.28
  6. Step 6: Final answer
    x = 61,246,528.91

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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.