Home / 100,495,504,803.80-150,743,257,205.70-99,798,147,923.60

Finding the Fourth Proportional to 100,495,504,803.80, 150,743,257,205.70 and 99,798,147,923.60

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Solution

The fourth proportional to 100,495,504,803.80, 150,743,257,205.70 and 99,798,147,923.60 is: 149,697,221,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,495,504,803.80 : 150,743,257,205.70 = 99,798,147,923.60 : x
  2. Step 2: Convert to fraction form
    100,495,504,803.80/150,743,257,205.70 = 99,798,147,923.60/x
  3. Step 3: Cross multiply
    100,495,504,803.80x = 150,743,257,205.70 × 99,798,147,923.60
  4. Step 4: Simplify right side
    100,495,504,803.80x = 15,043,897,881,099,732,254,720
  5. Step 5: Solve for x
    x = 15,043,897,881,099,732,254,720/100,495,504,803.80
  6. Step 6: Final answer
    x = 149,697,221,885.40

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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.