Home / 199,440,015.40-298,479,428.70-167,128,402.60

Finding the Fourth Proportional to 199,440,015.40, 298,479,428.70 and 167,128,402.60

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Solution

The fourth proportional to 199,440,015.40, 298,479,428.70 and 167,128,402.60 is: 250,122,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,440,015.40 : 298,479,428.70 = 167,128,402.60 : x
  2. Step 2: Convert to fraction form
    199,440,015.40/298,479,428.70 = 167,128,402.60/x
  3. Step 3: Cross multiply
    199,440,015.40x = 298,479,428.70 × 167,128,402.60
  4. Step 4: Simplify right side
    199,440,015.40x = 49,884,390,127,591,592
  5. Step 5: Solve for x
    x = 49,884,390,127,591,592/199,440,015.40
  6. Step 6: Final answer
    x = 250,122,273.75

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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.