Finding the Fourth Proportional to 55,774,546.21, 83,675,269.37 and 19,377,639.28
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Solution
The fourth proportional to 55,774,546.21, 83,675,269.37 and 19,377,639.28 is: 29,071,131.85
Step by Step Solution
- Step 1: Write the proportion equation
55,774,546.21 : 83,675,269.37 = 19,377,639.28 : x - Step 2: Convert to fraction form
55,774,546.21/83,675,269.37 = 19,377,639.28/x - Step 3: Cross multiply
55,774,546.21x = 83,675,269.37 × 19,377,639.28 - Step 4: Simplify right side
55,774,546.21x = 1,621,429,186,508,693 - Step 5: Solve for x
x = 1,621,429,186,508,693/55,774,546.21 - Step 6: Final answer
x = 29,071,131.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.