Finding the Fourth Proportional to 217,517,669.58, 300,182,305.14 and 118,393,626.36
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Solution
The fourth proportional to 217,517,669.58, 300,182,305.14 and 118,393,626.36 is: 163,387,515.80
Step by Step Solution
- Step 1: Write the proportion equation
217,517,669.58 : 300,182,305.14 = 118,393,626.36 : x - Step 2: Convert to fraction form
217,517,669.58/300,182,305.14 = 118,393,626.36/x - Step 3: Cross multiply
217,517,669.58x = 300,182,305.14 × 118,393,626.36 - Step 4: Simplify right side
217,517,669.58x = 35,539,671,674,628,664 - Step 5: Solve for x
x = 35,539,671,674,628,664/217,517,669.58 - Step 6: Final answer
x = 163,387,515.80
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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.