Home / 66,734,009.40-100,101,014.10-21,300,396.60

Finding the Fourth Proportional to 66,734,009.40, 100,101,014.10 and 21,300,396.60

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Solution

The fourth proportional to 66,734,009.40, 100,101,014.10 and 21,300,396.60 is: 31,950,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,009.40 : 100,101,014.10 = 21,300,396.60 : x
  2. Step 2: Convert to fraction form
    66,734,009.40/100,101,014.10 = 21,300,396.60/x
  3. Step 3: Cross multiply
    66,734,009.40x = 100,101,014.10 × 21,300,396.60
  4. Step 4: Simplify right side
    66,734,009.40x = 2,132,191,300,392,192
  5. Step 5: Solve for x
    x = 2,132,191,300,392,192/66,734,009.40
  6. Step 6: Final answer
    x = 31,950,594.90

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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.