Home / 170,313,644-235,032,919.80-91,997,196.32

Finding the Fourth Proportional to 170,313,644, 235,032,919.80 and 91,997,196.32

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Solution

The fourth proportional to 170,313,644, 235,032,919.80 and 91,997,196.32 is: 126,956,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,313,644 : 235,032,919.80 = 91,997,196.32 : x
  2. Step 2: Convert to fraction form
    170,313,644/235,032,919.80 = 91,997,196.32/x
  3. Step 3: Cross multiply
    170,313,644x = 235,032,919.80 × 91,997,196.32
  4. Step 4: Simplify right side
    170,313,644x = 21,622,369,664,503,416
  5. Step 5: Solve for x
    x = 21,622,369,664,503,416/170,313,644
  6. Step 6: Final answer
    x = 126,956,180.12

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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.