Home / 31,065,263,554.80-42,870,045,215.16-16,792,091,375.19

Finding the Fourth Proportional to 31,065,263,554.80, 42,870,045,215.16 and 16,792,091,375.19

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Solution

The fourth proportional to 31,065,263,554.80, 42,870,045,215.16 and 16,792,091,375.19 is: 23,173,076,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,263,554.80 : 42,870,045,215.16 = 16,792,091,375.19 : x
  2. Step 2: Convert to fraction form
    31,065,263,554.80/42,870,045,215.16 = 16,792,091,375.19/x
  3. Step 3: Cross multiply
    31,065,263,554.80x = 42,870,045,215.16 × 16,792,091,375.19
  4. Step 4: Simplify right side
    31,065,263,554.80x = 719,877,716,511,493,586,944
  5. Step 5: Solve for x
    x = 719,877,716,511,493,586,944/31,065,263,554.80
  6. Step 6: Final answer
    x = 23,173,076,102.88

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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.