Home / 345,741,481.37-477,126,945.29-189,105,239.00

Finding the Fourth Proportional to 345,741,481.37, 477,126,945.29 and 189,105,239.00

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Solution

The fourth proportional to 345,741,481.37, 477,126,945.29 and 189,105,239.00 is: 260,967,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,741,481.37 : 477,126,945.29 = 189,105,239.00 : x
  2. Step 2: Convert to fraction form
    345,741,481.37/477,126,945.29 = 189,105,239.00/x
  3. Step 3: Cross multiply
    345,741,481.37x = 477,126,945.29 × 189,105,239.00
  4. Step 4: Simplify right side
    345,741,481.37x = 90,227,205,024,070,960
  5. Step 5: Solve for x
    x = 90,227,205,024,070,960/345,741,481.37
  6. Step 6: Final answer
    x = 260,967,254.11

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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.