Finding the Fourth Proportional to 136,663,156.52, 205,042,564.16 and 39,624,687.12
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Solution
The fourth proportional to 136,663,156.52, 205,042,564.16 and 39,624,687.12 is: 59,450,898.53
Step by Step Solution
- Step 1: Write the proportion equation
136,663,156.52 : 205,042,564.16 = 39,624,687.12 : x - Step 2: Convert to fraction form
136,663,156.52/205,042,564.16 = 39,624,687.12/x - Step 3: Cross multiply
136,663,156.52x = 205,042,564.16 × 39,624,687.12 - Step 4: Simplify right side
136,663,156.52x = 8,124,747,451,122,525 - Step 5: Solve for x
x = 8,124,747,451,122,525/136,663,156.52 - Step 6: Final answer
x = 59,450,898.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.