Home / 239,892,288.23-331,073,548.37-145,784,715.95

Finding the Fourth Proportional to 239,892,288.23, 331,073,548.37 and 145,784,715.95

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Solution

The fourth proportional to 239,892,288.23, 331,073,548.37 and 145,784,715.95 is: 201,196,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892,288.23 : 331,073,548.37 = 145,784,715.95 : x
  2. Step 2: Convert to fraction form
    239,892,288.23/331,073,548.37 = 145,784,715.95/x
  3. Step 3: Cross multiply
    239,892,288.23x = 331,073,548.37 × 145,784,715.95
  4. Step 4: Simplify right side
    239,892,288.23x = 48,265,463,205,294,744
  5. Step 5: Solve for x
    x = 48,265,463,205,294,744/239,892,288.23
  6. Step 6: Final answer
    x = 201,196,393.44

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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.