Home / 220,090,712.40-330,136,068.60-90,655,304.40

Finding the Fourth Proportional to 220,090,712.40, 330,136,068.60 and 90,655,304.40

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Solution

The fourth proportional to 220,090,712.40, 330,136,068.60 and 90,655,304.40 is: 135,982,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,090,712.40 : 330,136,068.60 = 90,655,304.40 : x
  2. Step 2: Convert to fraction form
    220,090,712.40/330,136,068.60 = 90,655,304.40/x
  3. Step 3: Cross multiply
    220,090,712.40x = 330,136,068.60 × 90,655,304.40
  4. Step 4: Simplify right side
    220,090,712.40x = 29,928,585,792,352,284
  5. Step 5: Solve for x
    x = 29,928,585,792,352,284/220,090,712.40
  6. Step 6: Final answer
    x = 135,982,956.60

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1.5x scale

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.