Home / 159,256,936,371.03-219,826,946,778.69-126,763,752,767.50

Finding the Fourth Proportional to 159,256,936,371.03, 219,826,946,778.69 and 126,763,752,767.50

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Solution

The fourth proportional to 159,256,936,371.03, 219,826,946,778.69 and 126,763,752,767.50 is: 174,975,667,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,256,936,371.03 : 219,826,946,778.69 = 126,763,752,767.50 : x
  2. Step 2: Convert to fraction form
    159,256,936,371.03/219,826,946,778.69 = 126,763,752,767.50/x
  3. Step 3: Cross multiply
    159,256,936,371.03x = 219,826,946,778.69 × 126,763,752,767.50
  4. Step 4: Simplify right side
    159,256,936,371.03x = 27,866,088,733,088,239,583,232
  5. Step 5: Solve for x
    x = 27,866,088,733,088,239,583,232/159,256,936,371.03
  6. Step 6: Final answer
    x = 174,975,667,421.90

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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.