Finding the Fourth Proportional to 53,966,989.05, 74,474,444.91 and 29,187,175.91
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Solution
The fourth proportional to 53,966,989.05, 74,474,444.91 and 29,187,175.91 is: 40,278,302.76
Step by Step Solution
- Step 1: Write the proportion equation
53,966,989.05 : 74,474,444.91 = 29,187,175.91 : x - Step 2: Convert to fraction form
53,966,989.05/74,474,444.91 = 29,187,175.91/x - Step 3: Cross multiply
53,966,989.05x = 74,474,444.91 × 29,187,175.91 - Step 4: Simplify right side
53,966,989.05x = 2,173,698,724,015,402 - Step 5: Solve for x
x = 2,173,698,724,015,402/53,966,989.05 - Step 6: Final answer
x = 40,278,302.76
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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.