Home / 105,904,941,345.57-146,147,611,274.77-57,731,921,859.14

Finding the Fourth Proportional to 105,904,941,345.57, 146,147,611,274.77 and 57,731,921,859.14

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Solution

The fourth proportional to 105,904,941,345.57, 146,147,611,274.77 and 57,731,921,859.14 is: 79,669,393,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,904,941,345.57 : 146,147,611,274.77 = 57,731,921,859.14 : x
  2. Step 2: Convert to fraction form
    105,904,941,345.57/146,147,611,274.77 = 57,731,921,859.14/x
  3. Step 3: Cross multiply
    105,904,941,345.57x = 146,147,611,274.77 × 57,731,921,859.14
  4. Step 4: Simplify right side
    105,904,941,345.57x = 8,437,382,474,014,696,407,040
  5. Step 5: Solve for x
    x = 8,437,382,474,014,696,407,040/105,904,941,345.57
  6. Step 6: Final answer
    x = 79,669,393,767.79

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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.