Finding the Fourth Proportional to 187,795,214.64, 258,857,950.68 and 148,037,916.24
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Solution
The fourth proportional to 187,795,214.64, 258,857,950.68 and 148,037,916.24 is: 204,056,273.18
Step by Step Solution
- Step 1: Write the proportion equation
187,795,214.64 : 258,857,950.68 = 148,037,916.24 : x - Step 2: Convert to fraction form
187,795,214.64/258,857,950.68 = 148,037,916.24/x - Step 3: Cross multiply
187,795,214.64x = 258,857,950.68 × 148,037,916.24 - Step 4: Simplify right side
187,795,214.64x = 38,320,791,620,823,896 - Step 5: Solve for x
x = 38,320,791,620,823,896/187,795,214.64 - Step 6: Final answer
x = 204,056,273.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.