Finding the Fourth Proportional to 49,903,226.87, 74,881,638.35 and 20,777,172.75
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Solution
The fourth proportional to 49,903,226.87, 74,881,638.35 and 20,777,172.75 is: 31,176,916.47
Step by Step Solution
- Step 1: Write the proportion equation
49,903,226.87 : 74,881,638.35 = 20,777,172.75 : x - Step 2: Convert to fraction form
49,903,226.87/74,881,638.35 = 20,777,172.75/x - Step 3: Cross multiply
49,903,226.87x = 74,881,638.35 × 20,777,172.75 - Step 4: Simplify right side
49,903,226.87x = 1,555,828,735,697,089 - Step 5: Solve for x
x = 1,555,828,735,697,089/49,903,226.87 - Step 6: Final answer
x = 31,176,916.47
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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.