Home / 100,874,700,654.70-139,207,716,458.03-55,149,074,590.07

Finding the Fourth Proportional to 100,874,700,654.70, 139,207,716,458.03 and 55,149,074,590.07

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Solution

The fourth proportional to 100,874,700,654.70, 139,207,716,458.03 and 55,149,074,590.07 is: 76,106,067,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874,700,654.70 : 139,207,716,458.03 = 55,149,074,590.07 : x
  2. Step 2: Convert to fraction form
    100,874,700,654.70/139,207,716,458.03 = 55,149,074,590.07/x
  3. Step 3: Cross multiply
    100,874,700,654.70x = 139,207,716,458.03 × 55,149,074,590.07
  4. Step 4: Simplify right side
    100,874,700,654.70x = 7,677,176,738,456,933,498,880
  5. Step 5: Solve for x
    x = 7,677,176,738,456,933,498,880/100,874,700,654.70
  6. Step 6: Final answer
    x = 76,106,067,117.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.