Home / 239,892,287.97-331,073,548.02-145,784,715.69

Finding the Fourth Proportional to 239,892,287.97, 331,073,548.02 and 145,784,715.69

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Solution

The fourth proportional to 239,892,287.97, 331,073,548.02 and 145,784,715.69 is: 201,196,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892,287.97 : 331,073,548.02 = 145,784,715.69 : x
  2. Step 2: Convert to fraction form
    239,892,287.97/331,073,548.02 = 145,784,715.69/x
  3. Step 3: Cross multiply
    239,892,287.97x = 331,073,548.02 × 145,784,715.69
  4. Step 4: Simplify right side
    239,892,287.97x = 48,265,463,070,575,256
  5. Step 5: Solve for x
    x = 48,265,463,070,575,256/239,892,287.97
  6. Step 6: Final answer
    x = 201,196,393.09

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1.5x scale

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.