Finding the Fourth Proportional to 90,460,214.84, 135,347,908.79 and 53,591,898.35
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Solution
The fourth proportional to 90,460,214.84, 135,347,908.79 and 53,591,898.35 is: 80,184,989.42
Step by Step Solution
- Step 1: Write the proportion equation
90,460,214.84 : 135,347,908.79 = 53,591,898.35 : x - Step 2: Convert to fraction form
90,460,214.84/135,347,908.79 = 53,591,898.35/x - Step 3: Cross multiply
90,460,214.84x = 135,347,908.79 × 53,591,898.35 - Step 4: Simplify right side
90,460,214.84x = 7,253,551,369,888,287 - Step 5: Solve for x
x = 7,253,551,369,888,287/90,460,214.84 - Step 6: Final answer
x = 80,184,989.42
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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.