Home / 300,744,980.70-451,054,485.45-147,501,015.90

Finding the Fourth Proportional to 300,744,980.70, 451,054,485.45 and 147,501,015.90

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Solution

The fourth proportional to 300,744,980.70, 451,054,485.45 and 147,501,015.90 is: 221,220,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,744,980.70 : 451,054,485.45 = 147,501,015.90 : x
  2. Step 2: Convert to fraction form
    300,744,980.70/451,054,485.45 = 147,501,015.90/x
  3. Step 3: Cross multiply
    300,744,980.70x = 451,054,485.45 × 147,501,015.90
  4. Step 4: Simplify right side
    300,744,980.70x = 66,530,994,830,126,768
  5. Step 5: Solve for x
    x = 66,530,994,830,126,768/300,744,980.70
  6. Step 6: Final answer
    x = 221,220,632.43

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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.