Home / 165,981,067.20-248,803,639.20-97,788,657.60

Finding the Fourth Proportional to 165,981,067.20, 248,803,639.20 and 97,788,657.60

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Solution

The fourth proportional to 165,981,067.20, 248,803,639.20 and 97,788,657.60 is: 146,584,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,981,067.20 : 248,803,639.20 = 97,788,657.60 : x
  2. Step 2: Convert to fraction form
    165,981,067.20/248,803,639.20 = 97,788,657.60/x
  3. Step 3: Cross multiply
    165,981,067.20x = 248,803,639.20 × 97,788,657.60
  4. Step 4: Simplify right side
    165,981,067.20x = 24,330,173,883,362,736
  5. Step 5: Solve for x
    x = 24,330,173,883,362,736/165,981,067.20
  6. Step 6: Final answer
    x = 146,584,030.90

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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.