Home / 117,271,500.91-161,834,608.51-64,348,556.07

Finding the Fourth Proportional to 117,271,500.91, 161,834,608.51 and 64,348,556.07

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Solution

The fourth proportional to 117,271,500.91, 161,834,608.51 and 64,348,556.07 is: 88,800,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,271,500.91 : 161,834,608.51 = 64,348,556.07 : x
  2. Step 2: Convert to fraction form
    117,271,500.91/161,834,608.51 = 64,348,556.07/x
  3. Step 3: Cross multiply
    117,271,500.91x = 161,834,608.51 × 64,348,556.07
  4. Step 4: Simplify right side
    117,271,500.91x = 10,413,823,379,772,234
  5. Step 5: Solve for x
    x = 10,413,823,379,772,234/117,271,500.91
  6. Step 6: Final answer
    x = 88,800,972.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.