Home / 66,477,660,370.20-99,722,620,574.92-21,709,391,691.76

Finding the Fourth Proportional to 66,477,660,370.20, 99,722,620,574.92 and 21,709,391,691.76

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Solution

The fourth proportional to 66,477,660,370.20, 99,722,620,574.92 and 21,709,391,691.76 is: 32,566,089,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,477,660,370.20 : 99,722,620,574.92 = 21,709,391,691.76 : x
  2. Step 2: Convert to fraction form
    66,477,660,370.20/99,722,620,574.92 = 21,709,391,691.76/x
  3. Step 3: Cross multiply
    66,477,660,370.20x = 99,722,620,574.92 × 21,709,391,691.76
  4. Step 4: Simplify right side
    66,477,660,370.20x = 2,164,917,430,590,037,032,960
  5. Step 5: Solve for x
    x = 2,164,917,430,590,037,032,960/66,477,660,370.20
  6. Step 6: Final answer
    x = 32,566,089,398.06

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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.