Finding the Fourth Proportional to 123,320,970.58, 170,170,536.81 and 68,306,548.18
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Solution
The fourth proportional to 123,320,970.58, 170,170,536.81 and 68,306,548.18 is: 94,256,166.79
Step by Step Solution
- Step 1: Write the proportion equation
123,320,970.58 : 170,170,536.81 = 68,306,548.18 : x - Step 2: Convert to fraction form
123,320,970.58/170,170,536.81 = 68,306,548.18/x - Step 3: Cross multiply
123,320,970.58x = 170,170,536.81 × 68,306,548.18 - Step 4: Simplify right side
123,320,970.58x = 11,623,761,971,428,730 - Step 5: Solve for x
x = 11,623,761,971,428,730/123,320,970.58 - Step 6: Final answer
x = 94,256,166.79
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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.