Home / 197,913,220.80-296,985,596.40-82,888,101.60

Finding the Fourth Proportional to 197,913,220.80, 296,985,596.40 and 82,888,101.60

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Solution

The fourth proportional to 197,913,220.80, 296,985,596.40 and 82,888,101.60 is: 124,380,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,913,220.80 : 296,985,596.40 = 82,888,101.60 : x
  2. Step 2: Convert to fraction form
    197,913,220.80/296,985,596.40 = 82,888,101.60/x
  3. Step 3: Cross multiply
    197,913,220.80x = 296,985,596.40 × 82,888,101.60
  4. Step 4: Simplify right side
    197,913,220.80x = 24,616,572,288,139,792
  5. Step 5: Solve for x
    x = 24,616,572,288,139,792/197,913,220.80
  6. Step 6: Final answer
    x = 124,380,636.06

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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.