Home / 213,258,452.46-319,672,322.37-83,956,817.58

Finding the Fourth Proportional to 213,258,452.46, 319,672,322.37 and 83,956,817.58

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Solution

The fourth proportional to 213,258,452.46, 319,672,322.37 and 83,956,817.58 is: 125,850,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,258,452.46 : 319,672,322.37 = 83,956,817.58 : x
  2. Step 2: Convert to fraction form
    213,258,452.46/319,672,322.37 = 83,956,817.58/x
  3. Step 3: Cross multiply
    213,258,452.46x = 319,672,322.37 × 83,956,817.58
  4. Step 4: Simplify right side
    213,258,452.46x = 26,838,670,854,593,044
  5. Step 5: Solve for x
    x = 26,838,670,854,593,044/213,258,452.46
  6. Step 6: Final answer
    x = 125,850,443.65

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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.