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Finding the Fourth Proportional to 195,698,718.80, 293,546,911.80 and 50,131,998.80

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Solution

The fourth proportional to 195,698,718.80, 293,546,911.80 and 50,131,998.80 is: 75,197,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,698,718.80 : 293,546,911.80 = 50,131,998.80 : x
  2. Step 2: Convert to fraction form
    195,698,718.80/293,546,911.80 = 50,131,998.80/x
  3. Step 3: Cross multiply
    195,698,718.80x = 293,546,911.80 × 50,131,998.80
  4. Step 4: Simplify right side
    195,698,718.80x = 14,716,093,430,101,306
  5. Step 5: Solve for x
    x = 14,716,093,430,101,306/195,698,718.80
  6. Step 6: Final answer
    x = 75,197,699.40

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1.5x scale

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.