Finding the Fourth Proportional to 232,764,533.63, 321,292,893.47 and 138,708,174.83
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Solution
The fourth proportional to 232,764,533.63, 321,292,893.47 and 138,708,174.83 is: 191,463,665.64
Step by Step Solution
- Step 1: Write the proportion equation
232,764,533.63 : 321,292,893.47 = 138,708,174.83 : x - Step 2: Convert to fraction form
232,764,533.63/321,292,893.47 = 138,708,174.83/x - Step 3: Cross multiply
232,764,533.63x = 321,292,893.47 × 138,708,174.83 - Step 4: Simplify right side
232,764,533.63x = 44,565,950,838,845,456 - Step 5: Solve for x
x = 44,565,950,838,845,456/232,764,533.63 - Step 6: Final answer
x = 191,463,665.64
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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.