Finding the Fourth Proportional to 77,294,492.88, 106,665,771.42 and 42,486,813.24
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Solution
The fourth proportional to 77,294,492.88, 106,665,771.42 and 42,486,813.24 is: 58,631,456.66
Step by Step Solution
- Step 1: Write the proportion equation
77,294,492.88 : 106,665,771.42 = 42,486,813.24 : x - Step 2: Convert to fraction form
77,294,492.88/106,665,771.42 = 42,486,813.24/x - Step 3: Cross multiply
77,294,492.88x = 106,665,771.42 × 42,486,813.24 - Step 4: Simplify right side
77,294,492.88x = 4,531,888,709,422,070 - Step 5: Solve for x
x = 4,531,888,709,422,070/77,294,492.88 - Step 6: Final answer
x = 58,631,456.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.