Home / 90,343,650.24-124,673,965.92-49,090,668.48

Finding the Fourth Proportional to 90,343,650.24, 124,673,965.92 and 49,090,668.48

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Solution

The fourth proportional to 90,343,650.24, 124,673,965.92 and 49,090,668.48 is: 67,744,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343,650.24 : 124,673,965.92 = 49,090,668.48 : x
  2. Step 2: Convert to fraction form
    90,343,650.24/124,673,965.92 = 49,090,668.48/x
  3. Step 3: Cross multiply
    90,343,650.24x = 124,673,965.92 × 49,090,668.48
  4. Step 4: Simplify right side
    90,343,650.24x = 6,120,328,329,065,538
  5. Step 5: Solve for x
    x = 6,120,328,329,065,538/90,343,650.24
  6. Step 6: Final answer
    x = 67,744,975.02

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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.