Finding the Fourth Proportional to 124,117,754.12, 171,283,655.92 and 68,365,153.60
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Solution
The fourth proportional to 124,117,754.12, 171,283,655.92 and 68,365,153.60 is: 94,344,548.28
Step by Step Solution
- Step 1: Write the proportion equation
124,117,754.12 : 171,283,655.92 = 68,365,153.60 : x - Step 2: Convert to fraction form
124,117,754.12/171,283,655.92 = 68,365,153.60/x - Step 3: Cross multiply
124,117,754.12x = 171,283,655.92 × 68,365,153.60 - Step 4: Simplify right side
124,117,754.12x = 11,709,833,446,140,348 - Step 5: Solve for x
x = 11,709,833,446,140,348/124,117,754.12 - Step 6: Final answer
x = 94,344,548.28
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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.