Home / 100,495,504,804.80-150,743,257,207.20-99,798,147,924.60

Finding the Fourth Proportional to 100,495,504,804.80, 150,743,257,207.20 and 99,798,147,924.60

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Solution

The fourth proportional to 100,495,504,804.80, 150,743,257,207.20 and 99,798,147,924.60 is: 149,697,221,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,495,504,804.80 : 150,743,257,207.20 = 99,798,147,924.60 : x
  2. Step 2: Convert to fraction form
    100,495,504,804.80/150,743,257,207.20 = 99,798,147,924.60/x
  3. Step 3: Cross multiply
    100,495,504,804.80x = 150,743,257,207.20 × 99,798,147,924.60
  4. Step 4: Simplify right side
    100,495,504,804.80x = 15,043,897,881,400,172,347,392
  5. Step 5: Solve for x
    x = 15,043,897,881,400,172,347,392/100,495,504,804.80
  6. Step 6: Final answer
    x = 149,697,221,886.90

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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.