Home / 205,882,090.40-308,823,135.60-69,565,505.60

Finding the Fourth Proportional to 205,882,090.40, 308,823,135.60 and 69,565,505.60

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Solution

The fourth proportional to 205,882,090.40, 308,823,135.60 and 69,565,505.60 is: 104,348,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,882,090.40 : 308,823,135.60 = 69,565,505.60 : x
  2. Step 2: Convert to fraction form
    205,882,090.40/308,823,135.60 = 69,565,505.60/x
  3. Step 3: Cross multiply
    205,882,090.40x = 308,823,135.60 × 69,565,505.60
  4. Step 4: Simplify right side
    205,882,090.40x = 21,483,437,568,991,360
  5. Step 5: Solve for x
    x = 21,483,437,568,991,360/205,882,090.40
  6. Step 6: Final answer
    x = 104,348,258.40

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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.