Home / 147,192,214,615.20-220,788,321,922.80-47,828,903,421.60

Finding the Fourth Proportional to 147,192,214,615.20, 220,788,321,922.80 and 47,828,903,421.60

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Solution

The fourth proportional to 147,192,214,615.20, 220,788,321,922.80 and 47,828,903,421.60 is: 71,743,355,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,192,214,615.20 : 220,788,321,922.80 = 47,828,903,421.60 : x
  2. Step 2: Convert to fraction form
    147,192,214,615.20/220,788,321,922.80 = 47,828,903,421.60/x
  3. Step 3: Cross multiply
    147,192,214,615.20x = 220,788,321,922.80 × 47,828,903,421.60
  4. Step 4: Simplify right side
    147,192,214,615.20x = 10,560,063,325,862,730,137,600
  5. Step 5: Solve for x
    x = 10,560,063,325,862,730,137,600/147,192,214,615.20
  6. Step 6: Final answer
    x = 71,743,355,132.40

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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.