Home / 71,160,744.16-106,749,753.84-20,042,763.04

Finding the Fourth Proportional to 71,160,744.16, 106,749,753.84 and 20,042,763.04

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Solution

The fourth proportional to 71,160,744.16, 106,749,753.84 and 20,042,763.04 is: 30,066,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160,744.16 : 106,749,753.84 = 20,042,763.04 : x
  2. Step 2: Convert to fraction form
    71,160,744.16/106,749,753.84 = 20,042,763.04/x
  3. Step 3: Cross multiply
    71,160,744.16x = 106,749,753.84 × 20,042,763.04
  4. Step 4: Simplify right side
    71,160,744.16x = 2,139,560,020,793,450
  5. Step 5: Solve for x
    x = 2,139,560,020,793,450/71,160,744.16
  6. Step 6: Final answer
    x = 30,066,577.38

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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.