Home / 264,576,021.40-396,838,355.30-80,345,083.80

Finding the Fourth Proportional to 264,576,021.40, 396,838,355.30 and 80,345,083.80

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Solution

The fourth proportional to 264,576,021.40, 396,838,355.30 and 80,345,083.80 is: 120,509,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,576,021.40 : 396,838,355.30 = 80,345,083.80 : x
  2. Step 2: Convert to fraction form
    264,576,021.40/396,838,355.30 = 80,345,083.80/x
  3. Step 3: Cross multiply
    264,576,021.40x = 396,838,355.30 × 80,345,083.80
  4. Step 4: Simplify right side
    264,576,021.40x = 31,884,010,911,632,672
  5. Step 5: Solve for x
    x = 31,884,010,911,632,672/264,576,021.40
  6. Step 6: Final answer
    x = 120,509,828.30

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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.