Home / 144,014,215.52-198,740,119.24-77,934,697.24

Finding the Fourth Proportional to 144,014,215.52, 198,740,119.24 and 77,934,697.24

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Solution

The fourth proportional to 144,014,215.52, 198,740,119.24 and 77,934,697.24 is: 107,550,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,215.52 : 198,740,119.24 = 77,934,697.24 : x
  2. Step 2: Convert to fraction form
    144,014,215.52/198,740,119.24 = 77,934,697.24/x
  3. Step 3: Cross multiply
    144,014,215.52x = 198,740,119.24 × 77,934,697.24
  4. Step 4: Simplify right side
    144,014,215.52x = 15,488,751,022,410,898
  5. Step 5: Solve for x
    x = 15,488,751,022,410,898/144,014,215.52
  6. Step 6: Final answer
    x = 107,550,153.76

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1.5x scale

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.