Finding the Fourth Proportional to 314,557,043.36, 471,835,156.79 and 84,526,133.18
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Solution
The fourth proportional to 314,557,043.36, 471,835,156.79 and 84,526,133.18 is: 126,789,090.06
Step by Step Solution
- Step 1: Write the proportion equation
314,557,043.36 : 471,835,156.79 = 84,526,133.18 : x - Step 2: Convert to fraction form
314,557,043.36/471,835,156.79 = 84,526,133.18/x - Step 3: Cross multiply
314,557,043.36x = 471,835,156.79 × 84,526,133.18 - Step 4: Simplify right side
314,557,043.36x = 39,882,401,299,689,864 - Step 5: Solve for x
x = 39,882,401,299,689,864/314,557,043.36 - Step 6: Final answer
x = 126,789,090.06
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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.