Finding the Fourth Proportional to 146,989,073.76, 202,864,237.32 and 84,289,708.32
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Solution
The fourth proportional to 146,989,073.76, 202,864,237.32 and 84,289,708.32 is: 116,330,873.82
Step by Step Solution
- Step 1: Write the proportion equation
146,989,073.76 : 202,864,237.32 = 84,289,708.32 : x - Step 2: Convert to fraction form
146,989,073.76/202,864,237.32 = 84,289,708.32/x - Step 3: Cross multiply
146,989,073.76x = 202,864,237.32 × 84,289,708.32 - Step 4: Simplify right side
146,989,073.76x = 17,099,367,392,262,056 - Step 5: Solve for x
x = 17,099,367,392,262,056/146,989,073.76 - Step 6: Final answer
x = 116,330,873.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.