Home / 298,389,654.40-447,645,015.60-93,870,162.40

Finding the Fourth Proportional to 298,389,654.40, 447,645,015.60 and 93,870,162.40

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Solution

The fourth proportional to 298,389,654.40, 447,645,015.60 and 93,870,162.40 is: 140,824,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,389,654.40 : 447,645,015.60 = 93,870,162.40 : x
  2. Step 2: Convert to fraction form
    298,389,654.40/447,645,015.60 = 93,870,162.40/x
  3. Step 3: Cross multiply
    298,389,654.40x = 447,645,015.60 × 93,870,162.40
  4. Step 4: Simplify right side
    298,389,654.40x = 42,020,510,311,922,536
  5. Step 5: Solve for x
    x = 42,020,510,311,922,536/298,389,654.40
  6. Step 6: Final answer
    x = 140,824,286.94

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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.