Home / 146,118,124.16-201,640,540-80,926,628.48

Finding the Fourth Proportional to 146,118,124.16, 201,640,540 and 80,926,628.48

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Solution

The fourth proportional to 146,118,124.16, 201,640,540 and 80,926,628.48 is: 111,677,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,118,124.16 : 201,640,540 = 80,926,628.48 : x
  2. Step 2: Convert to fraction form
    146,118,124.16/201,640,540 = 80,926,628.48/x
  3. Step 3: Cross multiply
    146,118,124.16x = 201,640,540 × 80,926,628.48
  4. Step 4: Simplify right side
    146,118,124.16x = 16,318,089,067,086,580
  5. Step 5: Solve for x
    x = 16,318,089,067,086,580/146,118,124.16
  6. Step 6: Final answer
    x = 111,677,378.57

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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.