Home / 146,289,931.20-201,889,175.22-81,099,835.20

Finding the Fourth Proportional to 146,289,931.20, 201,889,175.22 and 81,099,835.20

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Solution

The fourth proportional to 146,289,931.20, 201,889,175.22 and 81,099,835.20 is: 111,922,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,289,931.20 : 201,889,175.22 = 81,099,835.20 : x
  2. Step 2: Convert to fraction form
    146,289,931.20/201,889,175.22 = 81,099,835.20/x
  3. Step 3: Cross multiply
    146,289,931.20x = 201,889,175.22 × 81,099,835.20
  4. Step 4: Simplify right side
    146,289,931.20x = 16,373,178,839,005,924
  5. Step 5: Solve for x
    x = 16,373,178,839,005,924/146,289,931.20
  6. Step 6: Final answer
    x = 111,922,800.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.