Finding the Fourth Proportional to 178,668,670.36, 267,888,302.80 and 69,377,385.84
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Solution
The fourth proportional to 178,668,670.36, 267,888,302.80 and 69,377,385.84 is: 104,021,539.47
Step by Step Solution
- Step 1: Write the proportion equation
178,668,670.36 : 267,888,302.80 = 69,377,385.84 : x - Step 2: Convert to fraction form
178,668,670.36/267,888,302.80 = 69,377,385.84/x - Step 3: Cross multiply
178,668,670.36x = 267,888,302.80 × 69,377,385.84 - Step 4: Simplify right side
178,668,670.36x = 18,585,390,145,378,356 - Step 5: Solve for x
x = 18,585,390,145,378,356/178,668,670.36 - Step 6: Final answer
x = 104,021,539.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.