Home / 349,979,091.92-525,046,817.66-131,631,327.40

Finding the Fourth Proportional to 349,979,091.92, 525,046,817.66 and 131,631,327.40

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Solution

The fourth proportional to 349,979,091.92, 525,046,817.66 and 131,631,327.40 is: 197,476,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,979,091.92 : 525,046,817.66 = 131,631,327.40 : x
  2. Step 2: Convert to fraction form
    349,979,091.92/525,046,817.66 = 131,631,327.40/x
  3. Step 3: Cross multiply
    349,979,091.92x = 525,046,817.66 × 131,631,327.40
  4. Step 4: Simplify right side
    349,979,091.92x = 69,112,609,555,731,568
  5. Step 5: Solve for x
    x = 69,112,609,555,731,568/349,979,091.92
  6. Step 6: Final answer
    x = 197,476,395.45

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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.