Home / 300,828,173.13-415,043,643.30-181,706,255.28

Finding the Fourth Proportional to 300,828,173.13, 415,043,643.30 and 181,706,255.28

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Solution

The fourth proportional to 300,828,173.13, 415,043,643.30 and 181,706,255.28 is: 250,694,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,828,173.13 : 415,043,643.30 = 181,706,255.28 : x
  2. Step 2: Convert to fraction form
    300,828,173.13/415,043,643.30 = 181,706,255.28/x
  3. Step 3: Cross multiply
    300,828,173.13x = 415,043,643.30 × 181,706,255.28
  4. Step 4: Simplify right side
    300,828,173.13x = 75,416,026,201,811,072
  5. Step 5: Solve for x
    x = 75,416,026,201,811,072/300,828,173.13
  6. Step 6: Final answer
    x = 250,694,691.98

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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.