Home / 213,315,216.21-319,972,825.08-59,961,272.65

Finding the Fourth Proportional to 213,315,216.21, 319,972,825.08 and 59,961,272.65

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Solution

The fourth proportional to 213,315,216.21, 319,972,825.08 and 59,961,272.65 is: 89,941,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,315,216.21 : 319,972,825.08 = 59,961,272.65 : x
  2. Step 2: Convert to fraction form
    213,315,216.21/319,972,825.08 = 59,961,272.65/x
  3. Step 3: Cross multiply
    213,315,216.21x = 319,972,825.08 × 59,961,272.65
  4. Step 4: Simplify right side
    213,315,216.21x = 19,185,977,805,212,636
  5. Step 5: Solve for x
    x = 19,185,977,805,212,636/213,315,216.21
  6. Step 6: Final answer
    x = 89,941,909.19

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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.