Home / 255,749,603.18-352,933,788.57-142,717,909.88

Finding the Fourth Proportional to 255,749,603.18, 352,933,788.57 and 142,717,909.88

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Solution

The fourth proportional to 255,749,603.18, 352,933,788.57 and 142,717,909.88 is: 196,950,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,749,603.18 : 352,933,788.57 = 142,717,909.88 : x
  2. Step 2: Convert to fraction form
    255,749,603.18/352,933,788.57 = 142,717,909.88/x
  3. Step 3: Cross multiply
    255,749,603.18x = 352,933,788.57 × 142,717,909.88
  4. Step 4: Simplify right side
    255,749,603.18x = 50,369,972,631,622,568
  5. Step 5: Solve for x
    x = 50,369,972,631,622,568/255,749,603.18
  6. Step 6: Final answer
    x = 196,950,345.20

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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.