Finding the Fourth Proportional to 161,697,531.99, 242,449,333.11 and 74,149,374.52
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Solution
The fourth proportional to 161,697,531.99, 242,449,333.11 and 74,149,374.52 is: 111,179,596.75
Step by Step Solution
- Step 1: Write the proportion equation
161,697,531.99 : 242,449,333.11 = 74,149,374.52 : x - Step 2: Convert to fraction form
161,697,531.99/242,449,333.11 = 74,149,374.52/x - Step 3: Cross multiply
161,697,531.99x = 242,449,333.11 × 74,149,374.52 - Step 4: Simplify right side
161,697,531.99x = 17,977,466,402,291,504 - Step 5: Solve for x
x = 17,977,466,402,291,504/161,697,531.99 - Step 6: Final answer
x = 111,179,596.75
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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.