Home / 349,979,090.92-525,046,816.16-131,631,326.40

Finding the Fourth Proportional to 349,979,090.92, 525,046,816.16 and 131,631,326.40

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Solution

The fourth proportional to 349,979,090.92, 525,046,816.16 and 131,631,326.40 is: 197,476,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,979,090.92 : 525,046,816.16 = 131,631,326.40 : x
  2. Step 2: Convert to fraction form
    349,979,090.92/525,046,816.16 = 131,631,326.40/x
  3. Step 3: Cross multiply
    349,979,090.92x = 525,046,816.16 × 131,631,326.40
  4. Step 4: Simplify right side
    349,979,090.92x = 69,112,608,835,042,144
  5. Step 5: Solve for x
    x = 69,112,608,835,042,144/349,979,090.92
  6. Step 6: Final answer
    x = 197,476,393.96

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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.