Home / 202,240,753,155.44-279,090,017,478.69-109,539,301,367.60

Finding the Fourth Proportional to 202,240,753,155.44, 279,090,017,478.69 and 109,539,301,367.60

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Solution

The fourth proportional to 202,240,753,155.44, 279,090,017,478.69 and 109,539,301,367.60 is: 151,163,032,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,240,753,155.44 : 279,090,017,478.69 = 109,539,301,367.60 : x
  2. Step 2: Convert to fraction form
    202,240,753,155.44/279,090,017,478.69 = 109,539,301,367.60/x
  3. Step 3: Cross multiply
    202,240,753,155.44x = 279,090,017,478.69 × 109,539,301,367.60
  4. Step 4: Simplify right side
    202,240,753,155.44x = 30,571,325,533,286,979,076,096
  5. Step 5: Solve for x
    x = 30,571,325,533,286,979,076,096/202,240,753,155.44
  6. Step 6: Final answer
    x = 151,163,032,456.62

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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.