Home / 213,314,507.78-319,971,761.73-59,960,564.21

Finding the Fourth Proportional to 213,314,507.78, 319,971,761.73 and 59,960,564.21

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Solution

The fourth proportional to 213,314,507.78, 319,971,761.73 and 59,960,564.21 is: 89,940,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,314,507.78 : 319,971,761.73 = 59,960,564.21 : x
  2. Step 2: Convert to fraction form
    213,314,507.78/319,971,761.73 = 59,960,564.21/x
  3. Step 3: Cross multiply
    213,314,507.78x = 319,971,761.73 × 59,960,564.21
  4. Step 4: Simplify right side
    213,314,507.78x = 19,185,687,365,398,416
  5. Step 5: Solve for x
    x = 19,185,687,365,398,416/213,314,507.78
  6. Step 6: Final answer
    x = 89,940,846.34

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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.