Home / 61,686,604.80-85,128,007.68-34,184,989.44

Finding the Fourth Proportional to 61,686,604.80, 85,128,007.68 and 34,184,989.44

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Solution

The fourth proportional to 61,686,604.80, 85,128,007.68 and 34,184,989.44 is: 47,175,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686,604.80 : 85,128,007.68 = 34,184,989.44 : x
  2. Step 2: Convert to fraction form
    61,686,604.80/85,128,007.68 = 34,184,989.44/x
  3. Step 3: Cross multiply
    61,686,604.80x = 85,128,007.68 × 34,184,989.44
  4. Step 4: Simplify right side
    61,686,604.80x = 2,910,100,043,589,039
  5. Step 5: Solve for x
    x = 2,910,100,043,589,039/61,686,604.80
  6. Step 6: Final answer
    x = 47,175,558.67

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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.