Finding the Fourth Proportional to 98,365,636.63, 146,910,710.35 and 89,125,146.98
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Solution
The fourth proportional to 98,365,636.63, 146,910,710.35 and 89,125,146.98 is: 133,109,885.74
Step by Step Solution
- Step 1: Write the proportion equation
98,365,636.63 : 146,910,710.35 = 89,125,146.98 : x - Step 2: Convert to fraction form
98,365,636.63/146,910,710.35 = 89,125,146.98/x - Step 3: Cross multiply
98,365,636.63x = 146,910,710.35 × 89,125,146.98 - Step 4: Simplify right side
98,365,636.63x = 13,093,438,652,879,958 - Step 5: Solve for x
x = 13,093,438,652,879,958/98,365,636.63 - Step 6: Final answer
x = 133,109,885.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.