Finding the Fourth Proportional to 69,689,157.92, 104,526,925.20 and 21,167,432.96
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Solution
The fourth proportional to 69,689,157.92, 104,526,925.20 and 21,167,432.96 is: 31,749,080.46
Step by Step Solution
- Step 1: Write the proportion equation
69,689,157.92 : 104,526,925.20 = 21,167,432.96 : x - Step 2: Convert to fraction form
69,689,157.92/104,526,925.20 = 21,167,432.96/x - Step 3: Cross multiply
69,689,157.92x = 104,526,925.20 × 21,167,432.96 - Step 4: Simplify right side
69,689,157.92x = 2,212,566,681,685,934.75 - Step 5: Solve for x
x = 2,212,566,681,685,934.75/69,689,157.92 - Step 6: Final answer
x = 31,749,080.46
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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.