Home / 213,029,693.70-319,544,540.55-122,330,429.70

Finding the Fourth Proportional to 213,029,693.70, 319,544,540.55 and 122,330,429.70

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Solution

The fourth proportional to 213,029,693.70, 319,544,540.55 and 122,330,429.70 is: 183,495,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,029,693.70 : 319,544,540.55 = 122,330,429.70 : x
  2. Step 2: Convert to fraction form
    213,029,693.70/319,544,540.55 = 122,330,429.70/x
  3. Step 3: Cross multiply
    213,029,693.70x = 319,544,540.55 × 122,330,429.70
  4. Step 4: Simplify right side
    213,029,693.70x = 39,090,020,953,770,576
  5. Step 5: Solve for x
    x = 39,090,020,953,770,576/213,029,693.70
  6. Step 6: Final answer
    x = 183,495,644.55

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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.