Home / 193,516,078.20-289,875,986.10-97,831,879.80

Finding the Fourth Proportional to 193,516,078.20, 289,875,986.10 and 97,831,879.80

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Solution

The fourth proportional to 193,516,078.20, 289,875,986.10 and 97,831,879.80 is: 146,546,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,516,078.20 : 289,875,986.10 = 97,831,879.80 : x
  2. Step 2: Convert to fraction form
    193,516,078.20/289,875,986.10 = 97,831,879.80/x
  3. Step 3: Cross multiply
    193,516,078.20x = 289,875,986.10 × 97,831,879.80
  4. Step 4: Simplify right side
    193,516,078.20x = 28,359,112,629,041,672
  5. Step 5: Solve for x
    x = 28,359,112,629,041,672/193,516,078.20
  6. Step 6: Final answer
    x = 146,546,544.83

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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.