Home / 49,730,556.80-68,131,105.90-47,866,669.12

Finding the Fourth Proportional to 49,730,556.80, 68,131,105.90 and 47,866,669.12

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Solution

The fourth proportional to 49,730,556.80, 68,131,105.90 and 47,866,669.12 is: 65,577,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,730,556.80 : 68,131,105.90 = 47,866,669.12 : x
  2. Step 2: Convert to fraction form
    49,730,556.80/68,131,105.90 = 47,866,669.12/x
  3. Step 3: Cross multiply
    49,730,556.80x = 68,131,105.90 × 47,866,669.12
  4. Step 4: Simplify right side
    49,730,556.80x = 3,261,209,102,894,980
  5. Step 5: Solve for x
    x = 3,261,209,102,894,980/49,730,556.80
  6. Step 6: Final answer
    x = 65,577,570.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.