Home / 105,541,797,531.30-145,647,774,443.95-57,369,840,762.84

Finding the Fourth Proportional to 105,541,797,531.30, 145,647,774,443.95 and 57,369,840,762.84

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Solution

The fourth proportional to 105,541,797,531.30, 145,647,774,443.95 and 57,369,840,762.84 is: 79,170,431,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,541,797,531.30 : 145,647,774,443.95 = 57,369,840,762.84 : x
  2. Step 2: Convert to fraction form
    105,541,797,531.30/145,647,774,443.95 = 57,369,840,762.84/x
  3. Step 3: Cross multiply
    105,541,797,531.30x = 145,647,774,443.95 × 57,369,840,762.84
  4. Step 4: Simplify right side
    105,541,797,531.30x = 8,355,789,627,311,448,391,680
  5. Step 5: Solve for x
    x = 8,355,789,627,311,448,391,680/105,541,797,531.30
  6. Step 6: Final answer
    x = 79,170,431,267.61

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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.