Finding the Fourth Proportional to 219,677,697, 303,155,222.58 and 121,908,286.44
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Solution
The fourth proportional to 219,677,697, 303,155,222.58 and 121,908,286.44 is: 168,233,435.69
Step by Step Solution
- Step 1: Write the proportion equation
219,677,697 : 303,155,222.58 = 121,908,286.44 : x - Step 2: Convert to fraction form
219,677,697/303,155,222.58 = 121,908,286.44/x - Step 3: Cross multiply
219,677,697x = 303,155,222.58 × 121,908,286.44 - Step 4: Simplify right side
219,677,697x = 36,957,133,710,064,592 - Step 5: Solve for x
x = 36,957,133,710,064,592/219,677,697 - Step 6: Final answer
x = 168,233,435.69
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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.