Home / 147,258,048.40-220,887,072.60-106,443,379.60

Finding the Fourth Proportional to 147,258,048.40, 220,887,072.60 and 106,443,379.60

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Solution

The fourth proportional to 147,258,048.40, 220,887,072.60 and 106,443,379.60 is: 159,665,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258,048.40 : 220,887,072.60 = 106,443,379.60 : x
  2. Step 2: Convert to fraction form
    147,258,048.40/220,887,072.60 = 106,443,379.60/x
  3. Step 3: Cross multiply
    147,258,048.40x = 220,887,072.60 × 106,443,379.60
  4. Step 4: Simplify right side
    147,258,048.40x = 23,511,966,517,494,556
  5. Step 5: Solve for x
    x = 23,511,966,517,494,556/147,258,048.40
  6. Step 6: Final answer
    x = 159,665,069.40

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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.