Finding the Fourth Proportional to 54,838,168.92, 81,766,986.04 and 53,331,533.70
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Solution
The fourth proportional to 54,838,168.92, 81,766,986.04 and 53,331,533.70 is: 79,520,502.92
Step by Step Solution
- Step 1: Write the proportion equation
54,838,168.92 : 81,766,986.04 = 53,331,533.70 : x - Step 2: Convert to fraction form
54,838,168.92/81,766,986.04 = 53,331,533.70/x - Step 3: Cross multiply
54,838,168.92x = 81,766,986.04 × 53,331,533.70 - Step 4: Simplify right side
54,838,168.92x = 4,360,758,771,539,690 - Step 5: Solve for x
x = 4,360,758,771,539,690/54,838,168.92 - Step 6: Final answer
x = 79,520,502.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.