Home / 80,265,797.88-120,401,194.56-38,191,271.28

Finding the Fourth Proportional to 80,265,797.88, 120,401,194.56 and 38,191,271.28

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Solution

The fourth proportional to 80,265,797.88, 120,401,194.56 and 38,191,271.28 is: 57,288,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265,797.88 : 120,401,194.56 = 38,191,271.28 : x
  2. Step 2: Convert to fraction form
    80,265,797.88/120,401,194.56 = 38,191,271.28/x
  3. Step 3: Cross multiply
    80,265,797.88x = 120,401,194.56 × 38,191,271.28
  4. Step 4: Simplify right side
    80,265,797.88x = 4,598,274,683,877,020
  5. Step 5: Solve for x
    x = 4,598,274,683,877,020/80,265,797.88
  6. Step 6: Final answer
    x = 57,288,095.37

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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.