Finding the Fourth Proportional to 74,618,393.73, 102,972,003.69 and 40,671,245.62
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Solution
The fourth proportional to 74,618,393.73, 102,972,003.69 and 40,671,245.62 is: 56,125,566.96
Step by Step Solution
- Step 1: Write the proportion equation
74,618,393.73 : 102,972,003.69 = 40,671,245.62 : x - Step 2: Convert to fraction form
74,618,393.73/102,972,003.69 = 40,671,245.62/x - Step 3: Cross multiply
74,618,393.73x = 102,972,003.69 × 40,671,245.62 - Step 4: Simplify right side
74,618,393.73x = 4,187,999,654,059,536 - Step 5: Solve for x
x = 4,187,999,654,059,536/74,618,393.73 - Step 6: Final answer
x = 56,125,566.96
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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.