Home / 105,904,941,347.07-146,147,611,276.84-57,731,921,860.64

Finding the Fourth Proportional to 105,904,941,347.07, 146,147,611,276.84 and 57,731,921,860.64

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Solution

The fourth proportional to 105,904,941,347.07, 146,147,611,276.84 and 57,731,921,860.64 is: 79,669,393,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,904,941,347.07 : 146,147,611,276.84 = 57,731,921,860.64 : x
  2. Step 2: Convert to fraction form
    105,904,941,347.07/146,147,611,276.84 = 57,731,921,860.64/x
  3. Step 3: Cross multiply
    105,904,941,347.07x = 146,147,611,276.84 × 57,731,921,860.64
  4. Step 4: Simplify right side
    105,904,941,347.07x = 8,437,382,474,352,985,899,008
  5. Step 5: Solve for x
    x = 8,437,382,474,352,985,899,008/105,904,941,347.07
  6. Step 6: Final answer
    x = 79,669,393,769.85

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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.