Finding the Fourth Proportional to 148,876,112.63, 205,306,454.18 and 98,560,683.29
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Solution
The fourth proportional to 148,876,112.63, 205,306,454.18 and 98,560,683.29 is: 135,919,349.65
Step by Step Solution
- Step 1: Write the proportion equation
148,876,112.63 : 205,306,454.18 = 98,560,683.29 : x - Step 2: Convert to fraction form
148,876,112.63/205,306,454.18 = 98,560,683.29/x - Step 3: Cross multiply
148,876,112.63x = 205,306,454.18 × 98,560,683.29 - Step 4: Simplify right side
148,876,112.63x = 20,235,144,407,335,076 - Step 5: Solve for x
x = 20,235,144,407,335,076/148,876,112.63 - Step 6: Final answer
x = 135,919,349.65
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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.