Finding the Fourth Proportional to 129,317,192.16, 194,001,341.55 and 47,436,830.70
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Solution
The fourth proportional to 129,317,192.16, 194,001,341.55 and 47,436,830.70 is: 71,164,619.65
Step by Step Solution
- Step 1: Write the proportion equation
129,317,192.16 : 194,001,341.55 = 47,436,830.70 : x - Step 2: Convert to fraction form
129,317,192.16/194,001,341.55 = 47,436,830.70/x - Step 3: Cross multiply
129,317,192.16x = 194,001,341.55 × 47,436,830.70 - Step 4: Simplify right side
129,317,192.16x = 9,202,808,794,680,226 - Step 5: Solve for x
x = 9,202,808,794,680,226/129,317,192.16 - Step 6: Final answer
x = 71,164,619.65
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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.