Home / 198,959,925.60-298,333,600.20-83,814,375.60

Finding the Fourth Proportional to 198,959,925.60, 298,333,600.20 and 83,814,375.60

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Solution

The fourth proportional to 198,959,925.60, 298,333,600.20 and 83,814,375.60 is: 125,676,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,959,925.60 : 298,333,600.20 = 83,814,375.60 : x
  2. Step 2: Convert to fraction form
    198,959,925.60/298,333,600.20 = 83,814,375.60/x
  3. Step 3: Cross multiply
    198,959,925.60x = 298,333,600.20 × 83,814,375.60
  4. Step 4: Simplify right side
    198,959,925.60x = 25,004,644,421,263,032
  5. Step 5: Solve for x
    x = 25,004,644,421,263,032/198,959,925.60
  6. Step 6: Final answer
    x = 125,676,788.16

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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.