Finding the Fourth Proportional to 144,517,677.12, 199,283,643.36 and 85,768,991.91
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Solution
The fourth proportional to 144,517,677.12, 199,283,643.36 and 85,768,991.91 is: 118,271,740.42
Step by Step Solution
- Step 1: Write the proportion equation
144,517,677.12 : 199,283,643.36 = 85,768,991.91 : x - Step 2: Convert to fraction form
144,517,677.12/199,283,643.36 = 85,768,991.91/x - Step 3: Cross multiply
144,517,677.12x = 199,283,643.36 × 85,768,991.91 - Step 4: Simplify right side
144,517,677.12x = 17,092,357,195,139,166 - Step 5: Solve for x
x = 17,092,357,195,139,166/144,517,677.12 - Step 6: Final answer
x = 118,271,740.42
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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.