Home / 98,840,245.80-148,288,362.30-30,689,826.60

Finding the Fourth Proportional to 98,840,245.80, 148,288,362.30 and 30,689,826.60

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Solution

The fourth proportional to 98,840,245.80, 148,288,362.30 and 30,689,826.60 is: 46,043,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840,245.80 : 148,288,362.30 = 30,689,826.60 : x
  2. Step 2: Convert to fraction form
    98,840,245.80/148,288,362.30 = 30,689,826.60/x
  3. Step 3: Cross multiply
    98,840,245.80x = 148,288,362.30 × 30,689,826.60
  4. Step 4: Simplify right side
    98,840,245.80x = 4,550,944,125,784,978
  5. Step 5: Solve for x
    x = 4,550,944,125,784,978/98,840,245.80
  6. Step 6: Final answer
    x = 46,043,431.89

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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.