Home / 53,042,788.80-79,564,183.20-18,965,246.40

Finding the Fourth Proportional to 53,042,788.80, 79,564,183.20 and 18,965,246.40

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Solution

The fourth proportional to 53,042,788.80, 79,564,183.20 and 18,965,246.40 is: 28,447,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042,788.80 : 79,564,183.20 = 18,965,246.40 : x
  2. Step 2: Convert to fraction form
    53,042,788.80/79,564,183.20 = 18,965,246.40/x
  3. Step 3: Cross multiply
    53,042,788.80x = 79,564,183.20 × 18,965,246.40
  4. Step 4: Simplify right side
    53,042,788.80x = 1,508,954,339,002,740.50
  5. Step 5: Solve for x
    x = 1,508,954,339,002,740.50/53,042,788.80
  6. Step 6: Final answer
    x = 28,447,869.60

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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.