Home / 112,464,022.20-168,360,110.10-67,002,415.80

Finding the Fourth Proportional to 112,464,022.20, 168,360,110.10 and 67,002,415.80

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Solution

The fourth proportional to 112,464,022.20, 168,360,110.10 and 67,002,415.80 is: 100,303,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464,022.20 : 168,360,110.10 = 67,002,415.80 : x
  2. Step 2: Convert to fraction form
    112,464,022.20/168,360,110.10 = 67,002,415.80/x
  3. Step 3: Cross multiply
    112,464,022.20x = 168,360,110.10 × 67,002,415.80
  4. Step 4: Simplify right side
    112,464,022.20x = 11,280,534,101,053,978
  5. Step 5: Solve for x
    x = 11,280,534,101,053,978/112,464,022.20
  6. Step 6: Final answer
    x = 100,303,491.56

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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.