Home / 146,859,344.40-220,289,016.60-70,331,840.40

Finding the Fourth Proportional to 146,859,344.40, 220,289,016.60 and 70,331,840.40

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Solution

The fourth proportional to 146,859,344.40, 220,289,016.60 and 70,331,840.40 is: 105,497,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,859,344.40 : 220,289,016.60 = 70,331,840.40 : x
  2. Step 2: Convert to fraction form
    146,859,344.40/220,289,016.60 = 70,331,840.40/x
  3. Step 3: Cross multiply
    146,859,344.40x = 220,289,016.60 × 70,331,840.40
  4. Step 4: Simplify right side
    146,859,344.40x = 15,493,331,957,384,152
  5. Step 5: Solve for x
    x = 15,493,331,957,384,152/146,859,344.40
  6. Step 6: Final answer
    x = 105,497,760.60

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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.