Home / 163,350,219,191.78-225,423,519,639.43-90,104,797,672.19

Finding the Fourth Proportional to 163,350,219,191.78, 225,423,519,639.43 and 90,104,797,672.19

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Solution

The fourth proportional to 163,350,219,191.78, 225,423,519,639.43 and 90,104,797,672.19 is: 124,344,740,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,350,219,191.78 : 225,423,519,639.43 = 90,104,797,672.19 : x
  2. Step 2: Convert to fraction form
    163,350,219,191.78/225,423,519,639.43 = 90,104,797,672.19/x
  3. Step 3: Cross multiply
    163,350,219,191.78x = 225,423,519,639.43 × 90,104,797,672.19
  4. Step 4: Simplify right side
    163,350,219,191.78x = 20,311,740,627,662,661,484,544
  5. Step 5: Solve for x
    x = 20,311,740,627,662,661,484,544/163,350,219,191.78
  6. Step 6: Final answer
    x = 124,344,740,571.27

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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.