Finding the Fourth Proportional to 54,319,043.84, 74,958,564.48 and 29,872,682.24
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Solution
The fourth proportional to 54,319,043.84, 74,958,564.48 and 29,872,682.24 is: 41,223,357.77
Step by Step Solution
- Step 1: Write the proportion equation
54,319,043.84 : 74,958,564.48 = 29,872,682.24 : x - Step 2: Convert to fraction form
54,319,043.84/74,958,564.48 = 29,872,682.24/x - Step 3: Cross multiply
54,319,043.84x = 74,958,564.48 × 29,872,682.24 - Step 4: Simplify right side
54,319,043.84x = 2,239,213,377,877,590.75 - Step 5: Solve for x
x = 2,239,213,377,877,590.75/54,319,043.84 - Step 6: Final answer
x = 41,223,357.77
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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.