Finding the Fourth Proportional to 86,218,653,822.48, 118,980,476,028.06 and 48,157,416,272.88
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Solution
The fourth proportional to 86,218,653,822.48, 118,980,476,028.06 and 48,157,416,272.88 is: 66,456,527,194.52
Step by Step Solution
- Step 1: Write the proportion equation
86,218,653,822.48 : 118,980,476,028.06 = 48,157,416,272.88 : x - Step 2: Convert to fraction form
86,218,653,822.48/118,980,476,028.06 = 48,157,416,272.88/x - Step 3: Cross multiply
86,218,653,822.48x = 118,980,476,028.06 × 48,157,416,272.88 - Step 4: Simplify right side
86,218,653,822.48x = 5,729,792,312,428,705,349,632 - Step 5: Solve for x
x = 5,729,792,312,428,705,349,632/86,218,653,822.48 - Step 6: Final answer
x = 66,456,527,194.52
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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.