Finding the Fourth Proportional to 124,376,990.80, 171,640,840.71 and 68,622,407.68
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Solution
The fourth proportional to 124,376,990.80, 171,640,840.71 and 68,622,407.68 is: 94,699,250.00
Step by Step Solution
- Step 1: Write the proportion equation
124,376,990.80 : 171,640,840.71 = 68,622,407.68 : x - Step 2: Convert to fraction form
124,376,990.80/171,640,840.71 = 68,622,407.68/x - Step 3: Cross multiply
124,376,990.80x = 171,640,840.71 × 68,622,407.68 - Step 4: Simplify right side
124,376,990.80x = 11,778,407,745,739,562 - Step 5: Solve for x
x = 11,778,407,745,739,562/124,376,990.80 - Step 6: Final answer
x = 94,699,250.00
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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.