Home / 147,511,400.40-221,267,100.60-70,983,896.40

Finding the Fourth Proportional to 147,511,400.40, 221,267,100.60 and 70,983,896.40

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Solution

The fourth proportional to 147,511,400.40, 221,267,100.60 and 70,983,896.40 is: 106,475,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,511,400.40 : 221,267,100.60 = 70,983,896.40 : x
  2. Step 2: Convert to fraction form
    147,511,400.40/221,267,100.60 = 70,983,896.40/x
  3. Step 3: Cross multiply
    147,511,400.40x = 221,267,100.60 × 70,983,896.40
  4. Step 4: Simplify right side
    147,511,400.40x = 15,706,400,945,718,778
  5. Step 5: Solve for x
    x = 15,706,400,945,718,778/147,511,400.40
  6. Step 6: Final answer
    x = 106,475,844.60

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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.