Finding the Fourth Proportional to 124,376,989.80, 171,640,839.33 and 68,622,406.68
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Solution
The fourth proportional to 124,376,989.80, 171,640,839.33 and 68,622,406.68 is: 94,699,248.62
Step by Step Solution
- Step 1: Write the proportion equation
124,376,989.80 : 171,640,839.33 = 68,622,406.68 : x - Step 2: Convert to fraction form
124,376,989.80/171,640,839.33 = 68,622,406.68/x - Step 3: Cross multiply
124,376,989.80x = 171,640,839.33 × 68,622,406.68 - Step 4: Simplify right side
124,376,989.80x = 11,778,407,479,399,800 - Step 5: Solve for x
x = 11,778,407,479,399,800/124,376,989.80 - Step 6: Final answer
x = 94,699,248.62
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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.