Home / 319,203,539.88-478,825,538.60-134,936,673.92

Finding the Fourth Proportional to 319,203,539.88, 478,825,538.60 and 134,936,673.92

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Solution

The fourth proportional to 319,203,539.88, 478,825,538.60 and 134,936,673.92 is: 202,413,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,203,539.88 : 478,825,538.60 = 134,936,673.92 : x
  2. Step 2: Convert to fraction form
    319,203,539.88/478,825,538.60 = 134,936,673.92/x
  3. Step 3: Cross multiply
    319,203,539.88x = 478,825,538.60 × 134,936,673.92
  4. Step 4: Simplify right side
    319,203,539.88x = 64,611,125,566,636,568
  5. Step 5: Solve for x
    x = 64,611,125,566,636,568/319,203,539.88
  6. Step 6: Final answer
    x = 202,413,562.18

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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.