Finding the Fourth Proportional to 74,874,590.88, 112,237,484.56 and 52,107,658.48
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Solution
The fourth proportional to 74,874,590.88, 112,237,484.56 and 52,107,658.48 is: 78,109,709.12
Step by Step Solution
- Step 1: Write the proportion equation
74,874,590.88 : 112,237,484.56 = 52,107,658.48 : x - Step 2: Convert to fraction form
74,874,590.88/112,237,484.56 = 52,107,658.48/x - Step 3: Cross multiply
74,874,590.88x = 112,237,484.56 × 52,107,658.48 - Step 4: Simplify right side
74,874,590.88x = 5,848,432,514,106,753 - Step 5: Solve for x
x = 5,848,432,514,106,753/74,874,590.88 - Step 6: Final answer
x = 78,109,709.12
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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.