Finding the Fourth Proportional to 243,163,884.92, 335,565,717.58 and 131,654,712.06
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Solution
The fourth proportional to 243,163,884.92, 335,565,717.58 and 131,654,712.06 is: 181,683,262.47
Step by Step Solution
- Step 1: Write the proportion equation
243,163,884.92 : 335,565,717.58 = 131,654,712.06 : x - Step 2: Convert to fraction form
243,163,884.92/335,565,717.58 = 131,654,712.06/x - Step 3: Cross multiply
243,163,884.92x = 335,565,717.58 × 131,654,712.06 - Step 4: Simplify right side
243,163,884.92x = 44,178,807,925,711,952 - Step 5: Solve for x
x = 44,178,807,925,711,952/243,163,884.92 - Step 6: Final answer
x = 181,683,262.47
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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.