Home / 213,029,848.20-319,544,772.30-122,330,584.20

Finding the Fourth Proportional to 213,029,848.20, 319,544,772.30 and 122,330,584.20

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Solution

The fourth proportional to 213,029,848.20, 319,544,772.30 and 122,330,584.20 is: 183,495,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,029,848.20 : 319,544,772.30 = 122,330,584.20 : x
  2. Step 2: Convert to fraction form
    213,029,848.20/319,544,772.30 = 122,330,584.20/x
  3. Step 3: Cross multiply
    213,029,848.20x = 319,544,772.30 × 122,330,584.20
  4. Step 4: Simplify right side
    213,029,848.20x = 39,090,098,673,514,984
  5. Step 5: Solve for x
    x = 39,090,098,673,514,984/213,029,848.20
  6. Step 6: Final answer
    x = 183,495,876.30

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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.