Home / 108,958,716.38-150,277,918.20-69,804,210.26

Finding the Fourth Proportional to 108,958,716.38, 150,277,918.20 and 69,804,210.26

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Solution

The fourth proportional to 108,958,716.38, 150,277,918.20 and 69,804,210.26 is: 96,275,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,958,716.38 : 150,277,918.20 = 69,804,210.26 : x
  2. Step 2: Convert to fraction form
    108,958,716.38/150,277,918.20 = 69,804,210.26/x
  3. Step 3: Cross multiply
    108,958,716.38x = 150,277,918.20 × 69,804,210.26
  4. Step 4: Simplify right side
    108,958,716.38x = 10,490,031,399,467,880
  5. Step 5: Solve for x
    x = 10,490,031,399,467,880/108,958,716.38
  6. Step 6: Final answer
    x = 96,275,284.33

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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.