Finding the Fourth Proportional to 71,900,519.84, 99,241,172.16 and 44,382,636.08
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Solution
The fourth proportional to 71,900,519.84, 99,241,172.16 and 44,382,636.08 is: 61,259,429.53
Step by Step Solution
- Step 1: Write the proportion equation
71,900,519.84 : 99,241,172.16 = 44,382,636.08 : x - Step 2: Convert to fraction form
71,900,519.84/99,241,172.16 = 44,382,636.08/x - Step 3: Cross multiply
71,900,519.84x = 99,241,172.16 × 44,382,636.08 - Step 4: Simplify right side
71,900,519.84x = 4,404,584,828,129,907 - Step 5: Solve for x
x = 4,404,584,828,129,907/71,900,519.84 - Step 6: Final answer
x = 61,259,429.53
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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.