Home / 119,821,802,215.01-165,354,176,205.52-64,889,401,661.70

Finding the Fourth Proportional to 119,821,802,215.01, 165,354,176,205.52 and 64,889,401,661.70

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Solution

The fourth proportional to 119,821,802,215.01, 165,354,176,205.52 and 64,889,401,661.70 is: 89,547,422,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,821,802,215.01 : 165,354,176,205.52 = 64,889,401,661.70 : x
  2. Step 2: Convert to fraction form
    119,821,802,215.01/165,354,176,205.52 = 64,889,401,661.70/x
  3. Step 3: Cross multiply
    119,821,802,215.01x = 165,354,176,205.52 × 64,889,401,661.70
  4. Step 4: Simplify right side
    119,821,802,215.01x = 10,729,733,556,239,503,196,160
  5. Step 5: Solve for x
    x = 10,729,733,556,239,503,196,160/119,821,802,215.01
  6. Step 6: Final answer
    x = 89,547,422,571.61

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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.