Home / 53,206,689.45-73,425,198.95-28,760,403.45

Finding the Fourth Proportional to 53,206,689.45, 73,425,198.95 and 28,760,403.45

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Solution

The fourth proportional to 53,206,689.45, 73,425,198.95 and 28,760,403.45 is: 39,689,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,206,689.45 : 73,425,198.95 = 28,760,403.45 : x
  2. Step 2: Convert to fraction form
    53,206,689.45/73,425,198.95 = 28,760,403.45/x
  3. Step 3: Cross multiply
    53,206,689.45x = 73,425,198.95 × 28,760,403.45
  4. Step 4: Simplify right side
    53,206,689.45x = 2,111,738,345,198,516.50
  5. Step 5: Solve for x
    x = 2,111,738,345,198,516.50/53,206,689.45
  6. Step 6: Final answer
    x = 39,689,339.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.