Finding the Fourth Proportional to 74,552,058.93, 102,890,865.24 and 42,773,863.62
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Solution
The fourth proportional to 74,552,058.93, 102,890,865.24 and 42,773,863.62 is: 59,033,109.22
Step by Step Solution
- Step 1: Write the proportion equation
74,552,058.93 : 102,890,865.24 = 42,773,863.62 : x - Step 2: Convert to fraction form
74,552,058.93/102,890,865.24 = 42,773,863.62/x - Step 3: Cross multiply
74,552,058.93x = 102,890,865.24 × 42,773,863.62 - Step 4: Simplify right side
74,552,058.93x = 4,401,039,837,519,558 - Step 5: Solve for x
x = 4,401,039,837,519,558/74,552,058.93 - Step 6: Final answer
x = 59,033,109.22
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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.