Finding the Fourth Proportional to 71,937,637.38, 107,941,886.28 and 33,593,578.74
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Solution
The fourth proportional to 71,937,637.38, 107,941,886.28 and 33,593,578.74 is: 50,406,913.38
Step by Step Solution
- Step 1: Write the proportion equation
71,937,637.38 : 107,941,886.28 = 33,593,578.74 : x - Step 2: Convert to fraction form
71,937,637.38/107,941,886.28 = 33,593,578.74/x - Step 3: Cross multiply
71,937,637.38x = 107,941,886.28 × 33,593,578.74 - Step 4: Simplify right side
71,937,637.38x = 3,626,154,256,091,306 - Step 5: Solve for x
x = 3,626,154,256,091,306/71,937,637.38 - Step 6: Final answer
x = 50,406,913.38
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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.