Finding the Fourth Proportional to 145,362,398.92, 217,921,034.80 and 63,421,175.98
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Solution
The fourth proportional to 145,362,398.92, 217,921,034.80 and 63,421,175.98 is: 95,078,289.85
Step by Step Solution
- Step 1: Write the proportion equation
145,362,398.92 : 217,921,034.80 = 63,421,175.98 : x - Step 2: Convert to fraction form
145,362,398.92/217,921,034.80 = 63,421,175.98/x - Step 3: Cross multiply
145,362,398.92x = 217,921,034.80 × 63,421,175.98 - Step 4: Simplify right side
145,362,398.92x = 13,820,808,297,789,756 - Step 5: Solve for x
x = 13,820,808,297,789,756/145,362,398.92 - Step 6: Final answer
x = 95,078,289.85
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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.