Home / 81,942,413.16-122,921,893.02-26,607,934.46

Finding the Fourth Proportional to 81,942,413.16, 122,921,893.02 and 26,607,934.46

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Solution

The fourth proportional to 81,942,413.16, 122,921,893.02 and 26,607,934.46 is: 39,914,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,942,413.16 : 122,921,893.02 = 26,607,934.46 : x
  2. Step 2: Convert to fraction form
    81,942,413.16/122,921,893.02 = 26,607,934.46/x
  3. Step 3: Cross multiply
    81,942,413.16x = 122,921,893.02 × 26,607,934.46
  4. Step 4: Simplify right side
    81,942,413.16x = 3,270,697,672,560,681.50
  5. Step 5: Solve for x
    x = 3,270,697,672,560,681.50/81,942,413.16
  6. Step 6: Final answer
    x = 39,914,588.14

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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.