Home / 345,741,475.56-477,126,937.26-189,105,233.19

Finding the Fourth Proportional to 345,741,475.56, 477,126,937.26 and 189,105,233.19

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Solution

The fourth proportional to 345,741,475.56, 477,126,937.26 and 189,105,233.19 is: 260,967,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,741,475.56 : 477,126,937.26 = 189,105,233.19 : x
  2. Step 2: Convert to fraction form
    345,741,475.56/477,126,937.26 = 189,105,233.19/x
  3. Step 3: Cross multiply
    345,741,475.56x = 477,126,937.26 × 189,105,233.19
  4. Step 4: Simplify right side
    345,741,475.56x = 90,227,200,731,782,800
  5. Step 5: Solve for x
    x = 90,227,200,731,782,800/345,741,475.56
  6. Step 6: Final answer
    x = 260,967,246.08

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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.