Home / 65,560,401.63-90,470,983.05-36,191,103.84

Finding the Fourth Proportional to 65,560,401.63, 90,470,983.05 and 36,191,103.84

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Solution

The fourth proportional to 65,560,401.63, 90,470,983.05 and 36,191,103.84 is: 49,942,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,560,401.63 : 90,470,983.05 = 36,191,103.84 : x
  2. Step 2: Convert to fraction form
    65,560,401.63/90,470,983.05 = 36,191,103.84/x
  3. Step 3: Cross multiply
    65,560,401.63x = 90,470,983.05 × 36,191,103.84
  4. Step 4: Simplify right side
    65,560,401.63x = 3,274,244,742,069,430
  5. Step 5: Solve for x
    x = 3,274,244,742,069,430/65,560,401.63
  6. Step 6: Final answer
    x = 49,942,414.33

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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.