Finding the Fourth Proportional to 289,682,553.42, 399,749,754.96 and 164,243,188.08
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Solution
The fourth proportional to 289,682,553.42, 399,749,754.96 and 164,243,188.08 is: 226,648,700.15
Step by Step Solution
- Step 1: Write the proportion equation
289,682,553.42 : 399,749,754.96 = 164,243,188.08 : x - Step 2: Convert to fraction form
289,682,553.42/399,749,754.96 = 164,243,188.08/x - Step 3: Cross multiply
289,682,553.42x = 399,749,754.96 × 164,243,188.08 - Step 4: Simplify right side
289,682,553.42x = 65,656,174,188,829,192 - Step 5: Solve for x
x = 65,656,174,188,829,192/289,682,553.42 - Step 6: Final answer
x = 226,648,700.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.