Finding the Fourth Proportional to 290,177,252.36, 400,444,633.46 and 158,018,209.37
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Solution
The fourth proportional to 290,177,252.36, 400,444,633.46 and 158,018,209.37 is: 218,065,142.65
Step by Step Solution
- Step 1: Write the proportion equation
290,177,252.36 : 400,444,633.46 = 158,018,209.37 : x - Step 2: Convert to fraction form
290,177,252.36/400,444,633.46 = 158,018,209.37/x - Step 3: Cross multiply
290,177,252.36x = 400,444,633.46 × 158,018,209.37 - Step 4: Simplify right side
290,177,252.36x = 63,277,543,929,568,008 - Step 5: Solve for x
x = 63,277,543,929,568,008/290,177,252.36 - Step 6: Final answer
x = 218,065,142.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.