Home / 310,019,908.05-464,868,390.72-146,213,682.54

Finding the Fourth Proportional to 310,019,908.05, 464,868,390.72 and 146,213,682.54

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Solution

The fourth proportional to 310,019,908.05, 464,868,390.72 and 146,213,682.54 is: 219,244,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,019,908.05 : 464,868,390.72 = 146,213,682.54 : x
  2. Step 2: Convert to fraction form
    310,019,908.05/464,868,390.72 = 146,213,682.54/x
  3. Step 3: Cross multiply
    310,019,908.05x = 464,868,390.72 × 146,213,682.54
  4. Step 4: Simplify right side
    310,019,908.05x = 67,970,119,303,614,760
  5. Step 5: Solve for x
    x = 67,970,119,303,614,760/310,019,908.05
  6. Step 6: Final answer
    x = 219,244,369.60

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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.