Home / 66,968,518.88-100,401,684.53-30,551,441.33

Finding the Fourth Proportional to 66,968,518.88, 100,401,684.53 and 30,551,441.33

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Solution

The fourth proportional to 66,968,518.88, 100,401,684.53 and 30,551,441.33 is: 45,803,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968,518.88 : 100,401,684.53 = 30,551,441.33 : x
  2. Step 2: Convert to fraction form
    66,968,518.88/100,401,684.53 = 30,551,441.33/x
  3. Step 3: Cross multiply
    66,968,518.88x = 100,401,684.53 × 30,551,441.33
  4. Step 4: Simplify right side
    66,968,518.88x = 3,067,416,174,449,711
  5. Step 5: Solve for x
    x = 3,067,416,174,449,711/66,968,518.88
  6. Step 6: Final answer
    x = 45,803,852.70

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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.