Home / 220,493,971.80-330,725,014.47-105,447,624.12

Finding the Fourth Proportional to 220,493,971.80, 330,725,014.47 and 105,447,624.12

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Solution

The fourth proportional to 220,493,971.80, 330,725,014.47 and 105,447,624.12 is: 158,163,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,493,971.80 : 330,725,014.47 = 105,447,624.12 : x
  2. Step 2: Convert to fraction form
    220,493,971.80/330,725,014.47 = 105,447,624.12/x
  3. Step 3: Cross multiply
    220,493,971.80x = 330,725,014.47 × 105,447,624.12
  4. Step 4: Simplify right side
    220,493,971.80x = 34,874,167,012,914,124
  5. Step 5: Solve for x
    x = 34,874,167,012,914,124/220,493,971.80
  6. Step 6: Final answer
    x = 158,163,811.59

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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.