Finding the Fourth Proportional to 52,700,367.48, 72,728,780.04 and 29,178,904.08
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Solution
The fourth proportional to 52,700,367.48, 72,728,780.04 and 29,178,904.08 is: 40,268,146.09
Step by Step Solution
- Step 1: Write the proportion equation
52,700,367.48 : 72,728,780.04 = 29,178,904.08 : x - Step 2: Convert to fraction form
52,700,367.48/72,728,780.04 = 29,178,904.08/x - Step 3: Cross multiply
52,700,367.48x = 72,728,780.04 × 29,178,904.08 - Step 4: Simplify right side
52,700,367.48x = 2,122,146,096,642,578.50 - Step 5: Solve for x
x = 2,122,146,096,642,578.50/52,700,367.48 - Step 6: Final answer
x = 40,268,146.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.