Home / 172,182,826,382.57-258,389,440,539.69-71,453,690,561.32

Finding the Fourth Proportional to 172,182,826,382.57, 258,389,440,539.69 and 71,453,690,561.32

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Solution

The fourth proportional to 172,182,826,382.57, 258,389,440,539.69 and 71,453,690,561.32 is: 107,228,342,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,182,826,382.57 : 258,389,440,539.69 = 71,453,690,561.32 : x
  2. Step 2: Convert to fraction form
    172,182,826,382.57/258,389,440,539.69 = 71,453,690,561.32/x
  3. Step 3: Cross multiply
    172,182,826,382.57x = 258,389,440,539.69 × 71,453,690,561.32
  4. Step 4: Simplify right side
    172,182,826,382.57x = 18,462,879,128,635,083,587,584
  5. Step 5: Solve for x
    x = 18,462,879,128,635,083,587,584/172,182,826,382.57
  6. Step 6: Final answer
    x = 107,228,342,782.65

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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.