Home / 423,557,203.04-635,336,302.44-132,425,851.76

Finding the Fourth Proportional to 423,557,203.04, 635,336,302.44 and 132,425,851.76

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Solution

The fourth proportional to 423,557,203.04, 635,336,302.44 and 132,425,851.76 is: 198,638,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,557,203.04 : 635,336,302.44 = 132,425,851.76 : x
  2. Step 2: Convert to fraction form
    423,557,203.04/635,336,302.44 = 132,425,851.76/x
  3. Step 3: Cross multiply
    423,557,203.04x = 635,336,302.44 × 132,425,851.76
  4. Step 4: Simplify right side
    423,557,203.04x = 84,134,951,004,665,984
  5. Step 5: Solve for x
    x = 84,134,951,004,665,984/423,557,203.04
  6. Step 6: Final answer
    x = 198,638,933.30

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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.