Home / 213,084,787.80-319,627,181.70-98,293,531.80

Finding the Fourth Proportional to 213,084,787.80, 319,627,181.70 and 98,293,531.80

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Solution

The fourth proportional to 213,084,787.80, 319,627,181.70 and 98,293,531.80 is: 147,440,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,084,787.80 : 319,627,181.70 = 98,293,531.80 : x
  2. Step 2: Convert to fraction form
    213,084,787.80/319,627,181.70 = 98,293,531.80/x
  3. Step 3: Cross multiply
    213,084,787.80x = 319,627,181.70 × 98,293,531.80
  4. Step 4: Simplify right side
    213,084,787.80x = 31,417,284,548,573,324
  5. Step 5: Solve for x
    x = 31,417,284,548,573,324/213,084,787.80
  6. Step 6: Final answer
    x = 147,440,297.70

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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.