Home / 212,802,083.50-319,216,610.84-89,957,506.18

Finding the Fourth Proportional to 212,802,083.50, 319,216,610.84 and 89,957,506.18

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Solution

The fourth proportional to 212,802,083.50, 319,216,610.84 and 89,957,506.18 is: 134,941,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,802,083.50 : 319,216,610.84 = 89,957,506.18 : x
  2. Step 2: Convert to fraction form
    212,802,083.50/319,216,610.84 = 89,957,506.18/x
  3. Step 3: Cross multiply
    212,802,083.50x = 319,216,610.84 × 89,957,506.18
  4. Step 4: Simplify right side
    212,802,083.50x = 28,715,930,242,397,956
  5. Step 5: Solve for x
    x = 28,715,930,242,397,956/212,802,083.50
  6. Step 6: Final answer
    x = 134,941,960.01

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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.