Finding the Fourth Proportional to 154,983,208.16, 232,475,101.68 and 145,512,927.92
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Solution
The fourth proportional to 154,983,208.16, 232,475,101.68 and 145,512,927.92 is: 218,269,663.63
Step by Step Solution
- Step 1: Write the proportion equation
154,983,208.16 : 232,475,101.68 = 145,512,927.92 : x - Step 2: Convert to fraction form
154,983,208.16/232,475,101.68 = 145,512,927.92/x - Step 3: Cross multiply
154,983,208.16x = 232,475,101.68 × 145,512,927.92 - Step 4: Simplify right side
154,983,208.16x = 33,828,132,713,956,508 - Step 5: Solve for x
x = 33,828,132,713,956,508/154,983,208.16 - Step 6: Final answer
x = 218,269,663.63
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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.