Finding the Fourth Proportional to 307,345,298.53, 461,018,026.37 and 86,049,240.99
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Solution
The fourth proportional to 307,345,298.53, 461,018,026.37 and 86,049,240.99 is: 129,073,883.48
Step by Step Solution
- Step 1: Write the proportion equation
307,345,298.53 : 461,018,026.37 = 86,049,240.99 : x - Step 2: Convert to fraction form
307,345,298.53/461,018,026.37 = 86,049,240.99/x - Step 3: Cross multiply
307,345,298.53x = 461,018,026.37 × 86,049,240.99 - Step 4: Simplify right side
307,345,298.53x = 39,670,251,251,846,304 - Step 5: Solve for x
x = 39,670,251,251,846,304/307,345,298.53 - Step 6: Final answer
x = 129,073,883.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.