Finding the Fourth Proportional to 305,569,572.72, 458,369,561.28 and 87,252,307.44
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Solution
The fourth proportional to 305,569,572.72, 458,369,561.28 and 87,252,307.44 is: 130,882,801.99
Step by Step Solution
- Step 1: Write the proportion equation
305,569,572.72 : 458,369,561.28 = 87,252,307.44 : x - Step 2: Convert to fraction form
305,569,572.72/458,369,561.28 = 87,252,307.44/x - Step 3: Cross multiply
305,569,572.72x = 458,369,561.28 × 87,252,307.44 - Step 4: Simplify right side
305,569,572.72x = 39,993,801,881,940,480 - Step 5: Solve for x
x = 39,993,801,881,940,480/305,569,572.72 - Step 6: Final answer
x = 130,882,801.99
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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.