Home / 213,315,214.71-319,972,822.83-59,961,271.15

Finding the Fourth Proportional to 213,315,214.71, 319,972,822.83 and 59,961,271.15

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Solution

The fourth proportional to 213,315,214.71, 319,972,822.83 and 59,961,271.15 is: 89,941,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,315,214.71 : 319,972,822.83 = 59,961,271.15 : x
  2. Step 2: Convert to fraction form
    213,315,214.71/319,972,822.83 = 59,961,271.15/x
  3. Step 3: Cross multiply
    213,315,214.71x = 319,972,822.83 × 59,961,271.15
  4. Step 4: Simplify right side
    213,315,214.71x = 19,185,977,190,340,540
  5. Step 5: Solve for x
    x = 19,185,977,190,340,540/213,315,214.71
  6. Step 6: Final answer
    x = 89,941,906.94

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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.