Finding the Fourth Proportional to 251,173,642.68, 376,817,325.99 and 87,419,130.84
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Solution
The fourth proportional to 251,173,642.68, 376,817,325.99 and 87,419,130.84 is: 131,148,486.65
Step by Step Solution
- Step 1: Write the proportion equation
251,173,642.68 : 376,817,325.99 = 87,419,130.84 : x - Step 2: Convert to fraction form
251,173,642.68/376,817,325.99 = 87,419,130.84/x - Step 3: Cross multiply
251,173,642.68x = 376,817,325.99 × 87,419,130.84 - Step 4: Simplify right side
251,173,642.68x = 32,941,043,123,498,744 - Step 5: Solve for x
x = 32,941,043,123,498,744/251,173,642.68 - Step 6: Final answer
x = 131,148,486.65
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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.