Finding the Fourth Proportional to 232,543,248.28, 320,909,536.41 and 128,121,318.56
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Solution
The fourth proportional to 232,543,248.28, 320,909,536.41 and 128,121,318.56 is: 176,807,339.05
Step by Step Solution
- Step 1: Write the proportion equation
232,543,248.28 : 320,909,536.41 = 128,121,318.56 : x - Step 2: Convert to fraction form
232,543,248.28/320,909,536.41 = 128,121,318.56/x - Step 3: Cross multiply
232,543,248.28x = 320,909,536.41 × 128,121,318.56 - Step 4: Simplify right side
232,543,248.28x = 41,115,352,943,327,536 - Step 5: Solve for x
x = 41,115,352,943,327,536/232,543,248.28 - Step 6: Final answer
x = 176,807,339.05
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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.