Home / 213,157,449.26-319,747,801.89-67,580,482.22

Finding the Fourth Proportional to 213,157,449.26, 319,747,801.89 and 67,580,482.22

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Solution

The fourth proportional to 213,157,449.26, 319,747,801.89 and 67,580,482.22 is: 101,374,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,157,449.26 : 319,747,801.89 = 67,580,482.22 : x
  2. Step 2: Convert to fraction form
    213,157,449.26/319,747,801.89 = 67,580,482.22/x
  3. Step 3: Cross multiply
    213,157,449.26x = 319,747,801.89 × 67,580,482.22
  4. Step 4: Simplify right side
    213,157,449.26x = 21,608,710,640,511,228
  5. Step 5: Solve for x
    x = 21,608,710,640,511,228/213,157,449.26
  6. Step 6: Final answer
    x = 101,374,409.93

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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.