Home / 128,038,227.93-192,057,846.22-30,993,779.72

Finding the Fourth Proportional to 128,038,227.93, 192,057,846.22 and 30,993,779.72

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Solution

The fourth proportional to 128,038,227.93, 192,057,846.22 and 30,993,779.72 is: 46,490,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,038,227.93 : 192,057,846.22 = 30,993,779.72 : x
  2. Step 2: Convert to fraction form
    128,038,227.93/192,057,846.22 = 30,993,779.72/x
  3. Step 3: Cross multiply
    128,038,227.93x = 192,057,846.22 × 30,993,779.72
  4. Step 4: Simplify right side
    128,038,227.93x = 5,952,598,579,759,201
  5. Step 5: Solve for x
    x = 5,952,598,579,759,201/128,038,227.93
  6. Step 6: Final answer
    x = 46,490,791.66

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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.