Finding the Fourth Proportional to 235,372,772.78, 353,059,159.17 and 73,814,449.58
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Solution
The fourth proportional to 235,372,772.78, 353,059,159.17 and 73,814,449.58 is: 110,721,674.36
Step by Step Solution
- Step 1: Write the proportion equation
235,372,772.78 : 353,059,159.17 = 73,814,449.58 : x - Step 2: Convert to fraction form
235,372,772.78/353,059,159.17 = 73,814,449.58/x - Step 3: Cross multiply
235,372,772.78x = 353,059,159.17 × 73,814,449.58 - Step 4: Simplify right side
235,372,772.78x = 26,060,867,501,545,868 - Step 5: Solve for x
x = 26,060,867,501,545,868/235,372,772.78 - Step 6: Final answer
x = 110,721,674.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.