Home / 220,144,972.80-330,217,459.20-147,585,561.60

Finding the Fourth Proportional to 220,144,972.80, 330,217,459.20 and 147,585,561.60

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Solution

The fourth proportional to 220,144,972.80, 330,217,459.20 and 147,585,561.60 is: 221,378,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,144,972.80 : 330,217,459.20 = 147,585,561.60 : x
  2. Step 2: Convert to fraction form
    220,144,972.80/330,217,459.20 = 147,585,561.60/x
  3. Step 3: Cross multiply
    220,144,972.80x = 330,217,459.20 × 147,585,561.60
  4. Step 4: Simplify right side
    220,144,972.80x = 48,735,329,166,157,080
  5. Step 5: Solve for x
    x = 48,735,329,166,157,080/220,144,972.80
  6. Step 6: Final answer
    x = 221,378,342.40

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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.