Home / 220,493,973.30-330,725,016.72-105,447,625.62

Finding the Fourth Proportional to 220,493,973.30, 330,725,016.72 and 105,447,625.62

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Solution

The fourth proportional to 220,493,973.30, 330,725,016.72 and 105,447,625.62 is: 158,163,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,493,973.30 : 330,725,016.72 = 105,447,625.62 : x
  2. Step 2: Convert to fraction form
    220,493,973.30/330,725,016.72 = 105,447,625.62/x
  3. Step 3: Cross multiply
    220,493,973.30x = 330,725,016.72 × 105,447,625.62
  4. Step 4: Simplify right side
    220,493,973.30x = 34,874,167,746,258,804
  5. Step 5: Solve for x
    x = 34,874,167,746,258,804/220,493,973.30
  6. Step 6: Final answer
    x = 158,163,813.84

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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.