Finding the Fourth Proportional to 170,934,078.84, 235,970,361.40 and 114,515,970.06
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Solution
The fourth proportional to 170,934,078.84, 235,970,361.40 and 114,515,970.06 is: 158,086,526.83
Step by Step Solution
- Step 1: Write the proportion equation
170,934,078.84 : 235,970,361.40 = 114,515,970.06 : x - Step 2: Convert to fraction form
170,934,078.84/235,970,361.40 = 114,515,970.06/x - Step 3: Cross multiply
170,934,078.84x = 235,970,361.40 × 114,515,970.06 - Step 4: Simplify right side
170,934,078.84x = 27,022,374,841,129,780 - Step 5: Solve for x
x = 27,022,374,841,129,780/170,934,078.84 - Step 6: Final answer
x = 158,086,526.83
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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.