Home / 135,120,465,293.30-186,453,917,331.45-80,178,169,568.34

Finding the Fourth Proportional to 135,120,465,293.30, 186,453,917,331.45 and 80,178,169,568.34

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Solution

The fourth proportional to 135,120,465,293.30, 186,453,917,331.45 and 80,178,169,568.34 is: 110,638,560,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,120,465,293.30 : 186,453,917,331.45 = 80,178,169,568.34 : x
  2. Step 2: Convert to fraction form
    135,120,465,293.30/186,453,917,331.45 = 80,178,169,568.34/x
  3. Step 3: Cross multiply
    135,120,465,293.30x = 186,453,917,331.45 × 80,178,169,568.34
  4. Step 4: Simplify right side
    135,120,465,293.30x = 14,949,533,800,481,316,405,248
  5. Step 5: Solve for x
    x = 14,949,533,800,481,316,405,248/135,120,465,293.30
  6. Step 6: Final answer
    x = 110,638,560,694.94

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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.