Home / 343,952,379.78-515,557,444.98-168,871,799.54

Finding the Fourth Proportional to 343,952,379.78, 515,557,444.98 and 168,871,799.54

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Solution

The fourth proportional to 343,952,379.78, 515,557,444.98 and 168,871,799.54 is: 253,125,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,952,379.78 : 515,557,444.98 = 168,871,799.54 : x
  2. Step 2: Convert to fraction form
    343,952,379.78/515,557,444.98 = 168,871,799.54/x
  3. Step 3: Cross multiply
    343,952,379.78x = 515,557,444.98 × 168,871,799.54
  4. Step 4: Simplify right side
    343,952,379.78x = 87,063,113,498,072,624
  5. Step 5: Solve for x
    x = 87,063,113,498,072,624/343,952,379.78
  6. Step 6: Final answer
    x = 253,125,486.60

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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.