Home / 300,114,628.80-450,059,968.80-118,324,190.40

Finding the Fourth Proportional to 300,114,628.80, 450,059,968.80 and 118,324,190.40

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Solution

The fourth proportional to 300,114,628.80, 450,059,968.80 and 118,324,190.40 is: 177,442,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,114,628.80 : 450,059,968.80 = 118,324,190.40 : x
  2. Step 2: Convert to fraction form
    300,114,628.80/450,059,968.80 = 118,324,190.40/x
  3. Step 3: Cross multiply
    300,114,628.80x = 450,059,968.80 × 118,324,190.40
  4. Step 4: Simplify right side
    300,114,628.80x = 53,252,981,439,709,264
  5. Step 5: Solve for x
    x = 53,252,981,439,709,264/300,114,628.80
  6. Step 6: Final answer
    x = 177,442,138.20

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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.