Home / 300,745,116.20-451,054,688.70-147,501,151.40

Finding the Fourth Proportional to 300,745,116.20, 451,054,688.70 and 147,501,151.40

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Solution

The fourth proportional to 300,745,116.20, 451,054,688.70 and 147,501,151.40 is: 221,220,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,745,116.20 : 451,054,688.70 = 147,501,151.40 : x
  2. Step 2: Convert to fraction form
    300,745,116.20/451,054,688.70 = 147,501,151.40/x
  3. Step 3: Cross multiply
    300,745,116.20x = 451,054,688.70 × 147,501,151.40
  4. Step 4: Simplify right side
    300,745,116.20x = 66,531,085,927,618,568
  5. Step 5: Solve for x
    x = 66,531,085,927,618,568/300,745,116.20
  6. Step 6: Final answer
    x = 221,220,835.66

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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.