Home / 98,885,413.45-136,455,218.73-54,830,781.38

Finding the Fourth Proportional to 98,885,413.45, 136,455,218.73 and 54,830,781.38

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Solution

The fourth proportional to 98,885,413.45, 136,455,218.73 and 54,830,781.38 is: 75,662,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,885,413.45 : 136,455,218.73 = 54,830,781.38 : x
  2. Step 2: Convert to fraction form
    98,885,413.45/136,455,218.73 = 54,830,781.38/x
  3. Step 3: Cross multiply
    98,885,413.45x = 136,455,218.73 × 54,830,781.38
  4. Step 4: Simplify right side
    98,885,413.45x = 7,481,946,265,918,288
  5. Step 5: Solve for x
    x = 7,481,946,265,918,288/98,885,413.45
  6. Step 6: Final answer
    x = 75,662,789.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.