Home / 220,110,643.80-330,165,965.70-66,764,327.40

Finding the Fourth Proportional to 220,110,643.80, 330,165,965.70 and 66,764,327.40

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Solution

The fourth proportional to 220,110,643.80, 330,165,965.70 and 66,764,327.40 is: 100,146,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,110,643.80 : 330,165,965.70 = 66,764,327.40 : x
  2. Step 2: Convert to fraction form
    220,110,643.80/330,165,965.70 = 66,764,327.40/x
  3. Step 3: Cross multiply
    220,110,643.80x = 330,165,965.70 × 66,764,327.40
  4. Step 4: Simplify right side
    220,110,643.80x = 22,043,308,630,331,968
  5. Step 5: Solve for x
    x = 22,043,308,630,331,968/220,110,643.80
  6. Step 6: Final answer
    x = 100,146,491.10

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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.