Home / 311,789,166.40-467,639,512.80-96,400,187.20

Finding the Fourth Proportional to 311,789,166.40, 467,639,512.80 and 96,400,187.20

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Solution

The fourth proportional to 311,789,166.40, 467,639,512.80 and 96,400,187.20 is: 144,586,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,789,166.40 : 467,639,512.80 = 96,400,187.20 : x
  2. Step 2: Convert to fraction form
    311,789,166.40/467,639,512.80 = 96,400,187.20/x
  3. Step 3: Cross multiply
    311,789,166.40x = 467,639,512.80 × 96,400,187.20
  4. Step 4: Simplify right side
    311,789,166.40x = 45,080,536,576,036,800
  5. Step 5: Solve for x
    x = 45,080,536,576,036,800/311,789,166.40
  6. Step 6: Final answer
    x = 144,586,603.49

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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.