Finding the Fourth Proportional to 171,356,145.84, 257,071,092.67 and 53,178,572.70
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Solution
The fourth proportional to 171,356,145.84, 257,071,092.67 and 53,178,572.70 is: 79,779,302.48
Step by Step Solution
- Step 1: Write the proportion equation
171,356,145.84 : 257,071,092.67 = 53,178,572.70 : x - Step 2: Convert to fraction form
171,356,145.84/257,071,092.67 = 53,178,572.70/x - Step 3: Cross multiply
171,356,145.84x = 257,071,092.67 × 53,178,572.70 - Step 4: Simplify right side
171,356,145.84x = 13,670,673,790,620,032 - Step 5: Solve for x
x = 13,670,673,790,620,032/171,356,145.84 - Step 6: Final answer
x = 79,779,302.48
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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.