Home / 198,801,334.40-298,202,001.60-53,257,359.20

Finding the Fourth Proportional to 198,801,334.40, 298,202,001.60 and 53,257,359.20

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Solution

The fourth proportional to 198,801,334.40, 298,202,001.60 and 53,257,359.20 is: 79,886,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,801,334.40 : 298,202,001.60 = 53,257,359.20 : x
  2. Step 2: Convert to fraction form
    198,801,334.40/298,202,001.60 = 53,257,359.20/x
  3. Step 3: Cross multiply
    198,801,334.40x = 298,202,001.60 × 53,257,359.20
  4. Step 4: Simplify right side
    198,801,334.40x = 15,881,451,113,370,176
  5. Step 5: Solve for x
    x = 15,881,451,113,370,176/198,801,334.40
  6. Step 6: Final answer
    x = 79,886,038.80

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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.