Home / 66,463,992.80-99,695,989.20-30,632,184.80

Finding the Fourth Proportional to 66,463,992.80, 99,695,989.20 and 30,632,184.80

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Solution

The fourth proportional to 66,463,992.80, 99,695,989.20 and 30,632,184.80 is: 45,948,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463,992.80 : 99,695,989.20 = 30,632,184.80 : x
  2. Step 2: Convert to fraction form
    66,463,992.80/99,695,989.20 = 30,632,184.80/x
  3. Step 3: Cross multiply
    66,463,992.80x = 99,695,989.20 × 30,632,184.80
  4. Step 4: Simplify right side
    66,463,992.80x = 3,053,905,964,993,204.50
  5. Step 5: Solve for x
    x = 3,053,905,964,993,204.50/66,463,992.80
  6. Step 6: Final answer
    x = 45,948,277.20

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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.