Home / 298,430,841.68-447,647,061.24-83,020,112.72

Finding the Fourth Proportional to 298,430,841.68, 447,647,061.24 and 83,020,112.72

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Solution

The fourth proportional to 298,430,841.68, 447,647,061.24 and 83,020,112.72 is: 124,530,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,430,841.68 : 447,647,061.24 = 83,020,112.72 : x
  2. Step 2: Convert to fraction form
    298,430,841.68/447,647,061.24 = 83,020,112.72/x
  3. Step 3: Cross multiply
    298,430,841.68x = 447,647,061.24 × 83,020,112.72
  4. Step 4: Simplify right side
    298,430,841.68x = 37,163,709,482,921,544
  5. Step 5: Solve for x
    x = 37,163,709,482,921,544/298,430,841.68
  6. Step 6: Final answer
    x = 124,530,391.27

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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.