Finding the Fourth Proportional to 69,681,205.14, 104,515,049.07 and 21,159,478.68
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Solution
The fourth proportional to 69,681,205.14, 104,515,049.07 and 21,159,478.68 is: 31,737,165.68
Step by Step Solution
- Step 1: Write the proportion equation
69,681,205.14 : 104,515,049.07 = 21,159,478.68 : x - Step 2: Convert to fraction form
69,681,205.14/104,515,049.07 = 21,159,478.68/x - Step 3: Cross multiply
69,681,205.14x = 104,515,049.07 × 21,159,478.68 - Step 4: Simplify right side
69,681,205.14x = 2,211,483,952,535,818.75 - Step 5: Solve for x
x = 2,211,483,952,535,818.75/69,681,205.14 - Step 6: Final answer
x = 31,737,165.68
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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.