Home / 66,889,736.20-100,334,604.30-53,452,808.20

Finding the Fourth Proportional to 66,889,736.20, 100,334,604.30 and 53,452,808.20

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Solution

The fourth proportional to 66,889,736.20, 100,334,604.30 and 53,452,808.20 is: 80,179,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,889,736.20 : 100,334,604.30 = 53,452,808.20 : x
  2. Step 2: Convert to fraction form
    66,889,736.20/100,334,604.30 = 53,452,808.20/x
  3. Step 3: Cross multiply
    66,889,736.20x = 100,334,604.30 × 53,452,808.20
  4. Step 4: Simplify right side
    66,889,736.20x = 5,363,166,359,470,795
  5. Step 5: Solve for x
    x = 5,363,166,359,470,795/66,889,736.20
  6. Step 6: Final answer
    x = 80,179,212.30

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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.