Home / 98,840,247.80-148,288,365.30-30,689,828.60

Finding the Fourth Proportional to 98,840,247.80, 148,288,365.30 and 30,689,828.60

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Solution

The fourth proportional to 98,840,247.80, 148,288,365.30 and 30,689,828.60 is: 46,043,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840,247.80 : 148,288,365.30 = 30,689,828.60 : x
  2. Step 2: Convert to fraction form
    98,840,247.80/148,288,365.30 = 30,689,828.60/x
  3. Step 3: Cross multiply
    98,840,247.80x = 148,288,365.30 × 30,689,828.60
  4. Step 4: Simplify right side
    98,840,247.80x = 4,550,944,514,431,188
  5. Step 5: Solve for x
    x = 4,550,944,514,431,188/98,840,247.80
  6. Step 6: Final answer
    x = 46,043,434.89

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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.