Finding the Fourth Proportional to 147,958,749.68, 204,183,471.73 and 81,883,804.41
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Solution
The fourth proportional to 147,958,749.68, 204,183,471.73 and 81,883,804.41 is: 112,999,869.89
Step by Step Solution
- Step 1: Write the proportion equation
147,958,749.68 : 204,183,471.73 = 81,883,804.41 : x - Step 2: Convert to fraction form
147,958,749.68/204,183,471.73 = 81,883,804.41/x - Step 3: Cross multiply
147,958,749.68x = 204,183,471.73 × 81,883,804.41 - Step 4: Simplify right side
147,958,749.68x = 16,719,319,462,689,374 - Step 5: Solve for x
x = 16,719,319,462,689,374/147,958,749.68 - Step 6: Final answer
x = 112,999,869.89
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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.