Home / 140,661,081,658.68-194,111,870,073.92-76,432,001,933.56

Finding the Fourth Proportional to 140,661,081,658.68, 194,111,870,073.92 and 76,432,001,933.56

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Solution

The fourth proportional to 140,661,081,658.68, 194,111,870,073.92 and 76,432,001,933.56 is: 105,475,933,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,661,081,658.68 : 194,111,870,073.92 = 76,432,001,933.56 : x
  2. Step 2: Convert to fraction form
    140,661,081,658.68/194,111,870,073.92 = 76,432,001,933.56/x
  3. Step 3: Cross multiply
    140,661,081,658.68x = 194,111,870,073.92 × 76,432,001,933.56
  4. Step 4: Simplify right side
    140,661,081,658.68x = 14,836,358,828,816,802,512,896
  5. Step 5: Solve for x
    x = 14,836,358,828,816,802,512,896/140,661,081,658.68
  6. Step 6: Final answer
    x = 105,475,933,028.99

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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.