Home / 100,236,917,838.54-150,421,616,615.78-47,193,120,462.84

Finding the Fourth Proportional to 100,236,917,838.54, 150,421,616,615.78 and 47,193,120,462.84

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Solution

The fourth proportional to 100,236,917,838.54, 150,421,616,615.78 and 47,193,120,462.84 is: 70,820,867,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,236,917,838.54 : 150,421,616,615.78 = 47,193,120,462.84 : x
  2. Step 2: Convert to fraction form
    100,236,917,838.54/150,421,616,615.78 = 47,193,120,462.84/x
  3. Step 3: Cross multiply
    100,236,917,838.54x = 150,421,616,615.78 × 47,193,120,462.84
  4. Step 4: Simplify right side
    100,236,917,838.54x = 7,098,865,473,163,640,176,640
  5. Step 5: Solve for x
    x = 7,098,865,473,163,640,176,640/100,236,917,838.54
  6. Step 6: Final answer
    x = 70,820,867,463.21

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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.