Finding the Fourth Proportional to 219,343,474.24, 302,726,482.10 and 138,882,944.63
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Solution
The fourth proportional to 219,343,474.24, 302,726,482.10 and 138,882,944.63 is: 191,679,033.98
Step by Step Solution
- Step 1: Write the proportion equation
219,343,474.24 : 302,726,482.10 = 138,882,944.63 : x - Step 2: Convert to fraction form
219,343,474.24/302,726,482.10 = 138,882,944.63/x - Step 3: Cross multiply
219,343,474.24x = 302,726,482.10 × 138,882,944.63 - Step 4: Simplify right side
219,343,474.24x = 42,043,545,252,112,192 - Step 5: Solve for x
x = 42,043,545,252,112,192/219,343,474.24 - Step 6: Final answer
x = 191,679,033.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.