Home / 197,336,457.72-295,902,694.25-86,626,815.48

Finding the Fourth Proportional to 197,336,457.72, 295,902,694.25 and 86,626,815.48

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Solution

The fourth proportional to 197,336,457.72, 295,902,694.25 and 86,626,815.48 is: 129,895,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,336,457.72 : 295,902,694.25 = 86,626,815.48 : x
  2. Step 2: Convert to fraction form
    197,336,457.72/295,902,694.25 = 86,626,815.48/x
  3. Step 3: Cross multiply
    197,336,457.72x = 295,902,694.25 × 86,626,815.48
  4. Step 4: Simplify right side
    197,336,457.72x = 25,633,108,094,829,608
  5. Step 5: Solve for x
    x = 25,633,108,094,829,608/197,336,457.72
  6. Step 6: Final answer
    x = 129,895,450.60

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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.