Home / 55,756,220.55-83,615,467.55-21,204,413.43

Finding the Fourth Proportional to 55,756,220.55, 83,615,467.55 and 21,204,413.43

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Solution

The fourth proportional to 55,756,220.55, 83,615,467.55 and 21,204,413.43 is: 31,799,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756,220.55 : 83,615,467.55 = 21,204,413.43 : x
  2. Step 2: Convert to fraction form
    55,756,220.55/83,615,467.55 = 21,204,413.43/x
  3. Step 3: Cross multiply
    55,756,220.55x = 83,615,467.55 × 21,204,413.43
  4. Step 4: Simplify right side
    55,756,220.55x = 1,773,016,942,966,927.25
  5. Step 5: Solve for x
    x = 1,773,016,942,966,927.25/55,756,220.55
  6. Step 6: Final answer
    x = 31,799,446.33

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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.