Home / 158,496,027.82-218,699,852.14-90,600,176.57

Finding the Fourth Proportional to 158,496,027.82, 218,699,852.14 and 90,600,176.57

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Solution

The fourth proportional to 158,496,027.82, 218,699,852.14 and 90,600,176.57 is: 125,014,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,496,027.82 : 218,699,852.14 = 90,600,176.57 : x
  2. Step 2: Convert to fraction form
    158,496,027.82/218,699,852.14 = 90,600,176.57/x
  3. Step 3: Cross multiply
    158,496,027.82x = 218,699,852.14 × 90,600,176.57
  4. Step 4: Simplify right side
    158,496,027.82x = 19,814,245,220,055,644
  5. Step 5: Solve for x
    x = 19,814,245,220,055,644/158,496,027.82
  6. Step 6: Final answer
    x = 125,014,143.84

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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.