Home / 199,628,000.40-299,442,000.60-137,818,131.60

Finding the Fourth Proportional to 199,628,000.40, 299,442,000.60 and 137,818,131.60

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Solution

The fourth proportional to 199,628,000.40, 299,442,000.60 and 137,818,131.60 is: 206,727,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,628,000.40 : 299,442,000.60 = 137,818,131.60 : x
  2. Step 2: Convert to fraction form
    199,628,000.40/299,442,000.60 = 137,818,131.60/x
  3. Step 3: Cross multiply
    199,628,000.40x = 299,442,000.60 × 137,818,131.60
  4. Step 4: Simplify right side
    199,628,000.40x = 41,268,537,045,258,080
  5. Step 5: Solve for x
    x = 41,268,537,045,258,080/199,628,000.40
  6. Step 6: Final answer
    x = 206,727,197.40

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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.