Home / 306,170,088.22-422,521,692.15-173,990,257.66

Finding the Fourth Proportional to 306,170,088.22, 422,521,692.15 and 173,990,257.66

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Solution

The fourth proportional to 306,170,088.22, 422,521,692.15 and 173,990,257.66 is: 240,110,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,170,088.22 : 422,521,692.15 = 173,990,257.66 : x
  2. Step 2: Convert to fraction form
    306,170,088.22/422,521,692.15 = 173,990,257.66/x
  3. Step 3: Cross multiply
    306,170,088.22x = 422,521,692.15 × 173,990,257.66
  4. Step 4: Simplify right side
    306,170,088.22x = 73,514,658,084,117,696
  5. Step 5: Solve for x
    x = 73,514,658,084,117,696/306,170,088.22
  6. Step 6: Final answer
    x = 240,110,516.71

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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.