Finding the Fourth Proportional to 60,513,152.96, 90,700,925.81 and 53,212,305.44
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Solution
The fourth proportional to 60,513,152.96, 90,700,925.81 and 53,212,305.44 is: 79,757,955.61
Step by Step Solution
- Step 1: Write the proportion equation
60,513,152.96 : 90,700,925.81 = 53,212,305.44 : x - Step 2: Convert to fraction form
60,513,152.96/90,700,925.81 = 53,212,305.44/x - Step 3: Cross multiply
60,513,152.96x = 90,700,925.81 × 53,212,305.44 - Step 4: Simplify right side
60,513,152.96x = 4,826,405,367,172,934 - Step 5: Solve for x
x = 4,826,405,367,172,934/60,513,152.96 - Step 6: Final answer
x = 79,757,955.61
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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.