Finding the Fourth Proportional to 118,670,375.09, 163,724,133.85 and 74,620,725.95
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Solution
The fourth proportional to 118,670,375.09, 163,724,133.85 and 74,620,725.95 is: 102,950,830.94
Step by Step Solution
- Step 1: Write the proportion equation
118,670,375.09 : 163,724,133.85 = 74,620,725.95 : x - Step 2: Convert to fraction form
118,670,375.09/163,724,133.85 = 74,620,725.95/x - Step 3: Cross multiply
118,670,375.09x = 163,724,133.85 × 74,620,725.95 - Step 4: Simplify right side
118,670,375.09x = 12,217,213,722,416,794 - Step 5: Solve for x
x = 12,217,213,722,416,794/118,670,375.09 - Step 6: Final answer
x = 102,950,830.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.