Home / 66,081,799,732.66-99,122,575,878.40-20,705,981,616.52

Finding the Fourth Proportional to 66,081,799,732.66, 99,122,575,878.40 and 20,705,981,616.52

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Solution

The fourth proportional to 66,081,799,732.66, 99,122,575,878.40 and 20,705,981,616.52 is: 31,058,933,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081,799,732.66 : 99,122,575,878.40 = 20,705,981,616.52 : x
  2. Step 2: Convert to fraction form
    66,081,799,732.66/99,122,575,878.40 = 20,705,981,616.52/x
  3. Step 3: Cross multiply
    66,081,799,732.66x = 99,122,575,878.40 × 20,705,981,616.52
  4. Step 4: Simplify right side
    66,081,799,732.66x = 2,052,430,233,920,259,227,648
  5. Step 5: Solve for x
    x = 2,052,430,233,920,259,227,648/66,081,799,732.66
  6. Step 6: Final answer
    x = 31,058,933,658.34

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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.