Finding the Fourth Proportional to 53,886,431.15, 74,363,304.82 and 29,106,617.88
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Solution
The fourth proportional to 53,886,431.15, 74,363,304.82 and 29,106,617.88 is: 40,167,148.79
Step by Step Solution
- Step 1: Write the proportion equation
53,886,431.15 : 74,363,304.82 = 29,106,617.88 : x - Step 2: Convert to fraction form
53,886,431.15/74,363,304.82 = 29,106,617.88/x - Step 3: Cross multiply
53,886,431.15x = 74,363,304.82 × 29,106,617.88 - Step 4: Simplify right side
53,886,431.15x = 2,164,464,297,911,994 - Step 5: Solve for x
x = 2,164,464,297,911,994/53,886,431.15 - Step 6: Final answer
x = 40,167,148.79
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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.