Home / 97,764,771.60-146,664,872.10-49,120,205.40

Finding the Fourth Proportional to 97,764,771.60, 146,664,872.10 and 49,120,205.40

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Solution

The fourth proportional to 97,764,771.60, 146,664,872.10 and 49,120,205.40 is: 73,689,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,764,771.60 : 146,664,872.10 = 49,120,205.40 : x
  2. Step 2: Convert to fraction form
    97,764,771.60/146,664,872.10 = 49,120,205.40/x
  3. Step 3: Cross multiply
    97,764,771.60x = 146,664,872.10 × 49,120,205.40
  4. Step 4: Simplify right side
    97,764,771.60x = 7,204,208,642,516,729
  5. Step 5: Solve for x
    x = 7,204,208,642,516,729/97,764,771.60
  6. Step 6: Final answer
    x = 73,689,208.54

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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.