Finding the Fourth Proportional to 247,811,237.10, 341,979,682.64 and 136,310,561.19
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Solution
The fourth proportional to 247,811,237.10, 341,979,682.64 and 136,310,561.19 is: 188,108,670.94
Step by Step Solution
- Step 1: Write the proportion equation
247,811,237.10 : 341,979,682.64 = 136,310,561.19 : x - Step 2: Convert to fraction form
247,811,237.10/341,979,682.64 = 136,310,561.19/x - Step 3: Cross multiply
247,811,237.10x = 341,979,682.64 × 136,310,561.19 - Step 4: Simplify right side
247,811,237.10x = 46,615,442,455,554,944 - Step 5: Solve for x
x = 46,615,442,455,554,944/247,811,237.10 - Step 6: Final answer
x = 188,108,670.94
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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.