Home / 197,307,936,358.65-296,086,402,149.96-83,987,477,376.80

Finding the Fourth Proportional to 197,307,936,358.65, 296,086,402,149.96 and 83,987,477,376.80

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Solution

The fourth proportional to 197,307,936,358.65, 296,086,402,149.96 and 83,987,477,376.80 is: 126,034,210,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,307,936,358.65 : 296,086,402,149.96 = 83,987,477,376.80 : x
  2. Step 2: Convert to fraction form
    197,307,936,358.65/296,086,402,149.96 = 83,987,477,376.80/x
  3. Step 3: Cross multiply
    197,307,936,358.65x = 296,086,402,149.96 × 83,987,477,376.80
  4. Step 4: Simplify right side
    197,307,936,358.65x = 24,867,550,002,146,395,029,504
  5. Step 5: Solve for x
    x = 24,867,550,002,146,395,029,504/197,307,936,358.65
  6. Step 6: Final answer
    x = 126,034,210,590.21

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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.