Home / 198,774,006.40-298,161,009.60-168,540,918.40

Finding the Fourth Proportional to 198,774,006.40, 298,161,009.60 and 168,540,918.40

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Solution

The fourth proportional to 198,774,006.40, 298,161,009.60 and 168,540,918.40 is: 252,811,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,774,006.40 : 298,161,009.60 = 168,540,918.40 : x
  2. Step 2: Convert to fraction form
    198,774,006.40/298,161,009.60 = 168,540,918.40/x
  3. Step 3: Cross multiply
    198,774,006.40x = 298,161,009.60 × 168,540,918.40
  4. Step 4: Simplify right side
    198,774,006.40x = 50,252,330,389,055,224
  5. Step 5: Solve for x
    x = 50,252,330,389,055,224/198,774,006.40
  6. Step 6: Final answer
    x = 252,811,377.60

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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.