Finding the Fourth Proportional to 124,376,988.30, 171,640,837.26 and 68,622,405.18
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Solution
The fourth proportional to 124,376,988.30, 171,640,837.26 and 68,622,405.18 is: 94,699,246.55
Step by Step Solution
- Step 1: Write the proportion equation
124,376,988.30 : 171,640,837.26 = 68,622,405.18 : x - Step 2: Convert to fraction form
124,376,988.30/171,640,837.26 = 68,622,405.18/x - Step 3: Cross multiply
124,376,988.30x = 171,640,837.26 × 68,622,405.18 - Step 4: Simplify right side
124,376,988.30x = 11,778,407,079,890,162 - Step 5: Solve for x
x = 11,778,407,079,890,162/124,376,988.30 - Step 6: Final answer
x = 94,699,246.55
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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.