Finding the Fourth Proportional to 314,557,029.48, 471,835,135.98 and 84,526,119.30
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Solution
The fourth proportional to 314,557,029.48, 471,835,135.98 and 84,526,119.30 is: 126,789,069.25
Step by Step Solution
- Step 1: Write the proportion equation
314,557,029.48 : 471,835,135.98 = 84,526,119.30 : x - Step 2: Convert to fraction form
314,557,029.48/471,835,135.98 = 84,526,119.30/x - Step 3: Cross multiply
314,557,029.48x = 471,835,135.98 × 84,526,119.30 - Step 4: Simplify right side
314,557,029.48x = 39,882,392,993,777,200 - Step 5: Solve for x
x = 39,882,392,993,777,200/314,557,029.48 - Step 6: Final answer
x = 126,789,069.25
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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.