Home / 74,508,172,305.79-102,820,754,718.26-40,675,467,413.47

Finding the Fourth Proportional to 74,508,172,305.79, 102,820,754,718.26 and 40,675,467,413.47

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Solution

The fourth proportional to 74,508,172,305.79, 102,820,754,718.26 and 40,675,467,413.47 is: 56,131,859,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,508,172,305.79 : 102,820,754,718.26 = 40,675,467,413.47 : x
  2. Step 2: Convert to fraction form
    74,508,172,305.79/102,820,754,718.26 = 40,675,467,413.47/x
  3. Step 3: Cross multiply
    74,508,172,305.79x = 102,820,754,718.26 × 40,675,467,413.47
  4. Step 4: Simplify right side
    74,508,172,305.79x = 4,182,282,257,970,461,933,568
  5. Step 5: Solve for x
    x = 4,182,282,257,970,461,933,568/74,508,172,305.79
  6. Step 6: Final answer
    x = 56,131,859,479.87

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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.