Home / 71,588,347.22-107,362,922.76-19,760,560.16

Finding the Fourth Proportional to 71,588,347.22, 107,362,922.76 and 19,760,560.16

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Solution

The fourth proportional to 71,588,347.22, 107,362,922.76 and 19,760,560.16 is: 29,635,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588,347.22 : 107,362,922.76 = 19,760,560.16 : x
  2. Step 2: Convert to fraction form
    71,588,347.22/107,362,922.76 = 19,760,560.16/x
  3. Step 3: Cross multiply
    71,588,347.22x = 107,362,922.76 × 19,760,560.16
  4. Step 4: Simplify right side
    71,588,347.22x = 2,121,551,494,152,413.25
  5. Step 5: Solve for x
    x = 2,121,551,494,152,413.25/71,588,347.22
  6. Step 6: Final answer
    x = 29,635,430.58

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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.