Finding the Fourth Proportional to 77,201,945.52, 115,802,961.48 and 48,468,261.84
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Solution
The fourth proportional to 77,201,945.52, 115,802,961.48 and 48,468,261.84 is: 72,702,419.88
Step by Step Solution
- Step 1: Write the proportion equation
77,201,945.52 : 115,802,961.48 = 48,468,261.84 : x - Step 2: Convert to fraction form
77,201,945.52/115,802,961.48 = 48,468,261.84/x - Step 3: Cross multiply
77,201,945.52x = 115,802,961.48 × 48,468,261.84 - Step 4: Simplify right side
77,201,945.52x = 5,612,768,258,860,075 - Step 5: Solve for x
x = 5,612,768,258,860,075/77,201,945.52 - Step 6: Final answer
x = 72,702,419.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.