Home / 220,190,718.80-330,286,078.20-147,631,307.60

Finding the Fourth Proportional to 220,190,718.80, 330,286,078.20 and 147,631,307.60

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Solution

The fourth proportional to 220,190,718.80, 330,286,078.20 and 147,631,307.60 is: 221,446,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,190,718.80 : 330,286,078.20 = 147,631,307.60 : x
  2. Step 2: Convert to fraction form
    220,190,718.80/330,286,078.20 = 147,631,307.60/x
  3. Step 3: Cross multiply
    220,190,718.80x = 330,286,078.20 × 147,631,307.60
  4. Step 4: Simplify right side
    220,190,718.80x = 48,760,565,606,741,848
  5. Step 5: Solve for x
    x = 48,760,565,606,741,848/220,190,718.80
  6. Step 6: Final answer
    x = 221,446,961.40

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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.