Finding the Fourth Proportional to 66,464,207.30, 99,731,436.11 and 47,158,201.37
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Solution
The fourth proportional to 66,464,207.30, 99,731,436.11 and 47,158,201.37 is: 70,762,224.33
Step by Step Solution
- Step 1: Write the proportion equation
66,464,207.30 : 99,731,436.11 = 47,158,201.37 : x - Step 2: Convert to fraction form
66,464,207.30/99,731,436.11 = 47,158,201.37/x - Step 3: Cross multiply
66,464,207.30x = 99,731,436.11 × 47,158,201.37 - Step 4: Simplify right side
66,464,207.30x = 4,703,155,146,260,222 - Step 5: Solve for x
x = 4,703,155,146,260,222/66,464,207.30 - Step 6: Final answer
x = 70,762,224.33
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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.