Finding the Fourth Proportional to 118,286,697,449.37, 163,235,785,968.51 and 64,093,204,169.79
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Solution
The fourth proportional to 118,286,697,449.37, 163,235,785,968.51 and 64,093,204,169.79 is: 88,448,699,502.95
Step by Step Solution
- Step 1: Write the proportion equation
118,286,697,449.37 : 163,235,785,968.51 = 64,093,204,169.79 : x - Step 2: Convert to fraction form
118,286,697,449.37/163,235,785,968.51 = 64,093,204,169.79/x - Step 3: Cross multiply
118,286,697,449.37x = 163,235,785,968.51 × 64,093,204,169.79 - Step 4: Simplify right side
118,286,697,449.37x = 10,462,304,557,895,853,801,472 - Step 5: Solve for x
x = 10,462,304,557,895,853,801,472/118,286,697,449.37 - Step 6: Final answer
x = 88,448,699,502.95
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1.5x scale
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.