Finding the Fourth Proportional to 53,736,266.70, 74,156,067.99 and 30,531,424.14
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Solution
The fourth proportional to 53,736,266.70, 74,156,067.99 and 30,531,424.14 is: 42,133,376.64
Step by Step Solution
- Step 1: Write the proportion equation
53,736,266.70 : 74,156,067.99 = 30,531,424.14 : x - Step 2: Convert to fraction form
53,736,266.70/74,156,067.99 = 30,531,424.14/x - Step 3: Cross multiply
53,736,266.70x = 74,156,067.99 × 30,531,424.14 - Step 4: Simplify right side
53,736,266.70x = 2,264,090,364,357,367 - Step 5: Solve for x
x = 2,264,090,364,357,367/53,736,266.70 - Step 6: Final answer
x = 42,133,376.64
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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.