Home / 561,910,859.08-842,846,081.65-147,384,369.50

Finding the Fourth Proportional to 561,910,859.08, 842,846,081.65 and 147,384,369.50

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Solution

The fourth proportional to 561,910,859.08, 842,846,081.65 and 147,384,369.50 is: 221,071,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,910,859.08 : 842,846,081.65 = 147,384,369.50 : x
  2. Step 2: Convert to fraction form
    561,910,859.08/842,846,081.65 = 147,384,369.50/x
  3. Step 3: Cross multiply
    561,910,859.08x = 842,846,081.65 × 147,384,369.50
  4. Step 4: Simplify right side
    561,910,859.08x = 124,222,338,324,948,080
  5. Step 5: Solve for x
    x = 124,222,338,324,948,080/561,910,859.08
  6. Step 6: Final answer
    x = 221,071,254.13

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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.