Finding the Fourth Proportional to 221,097,674.24, 331,689,019.68 and 84,772,424.96
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Solution
The fourth proportional to 221,097,674.24, 331,689,019.68 and 84,772,424.96 is: 127,174,935.82
Step by Step Solution
- Step 1: Write the proportion equation
221,097,674.24 : 331,689,019.68 = 84,772,424.96 : x - Step 2: Convert to fraction form
221,097,674.24/331,689,019.68 = 84,772,424.96/x - Step 3: Cross multiply
221,097,674.24x = 331,689,019.68 × 84,772,424.96 - Step 4: Simplify right side
221,097,674.24x = 28,118,082,530,878,760 - Step 5: Solve for x
x = 28,118,082,530,878,760/221,097,674.24 - Step 6: Final answer
x = 127,174,935.82
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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.