Finding the Fourth Proportional to 69,779,941.68, 96,296,323.92 and 38,839,446.72
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Solution
The fourth proportional to 69,779,941.68, 96,296,323.92 and 38,839,446.72 is: 53,598,438.92
Step by Step Solution
- Step 1: Write the proportion equation
69,779,941.68 : 96,296,323.92 = 38,839,446.72 : x - Step 2: Convert to fraction form
69,779,941.68/96,296,323.92 = 38,839,446.72/x - Step 3: Cross multiply
69,779,941.68x = 96,296,323.92 × 38,839,446.72 - Step 4: Simplify right side
69,779,941.68x = 3,740,095,942,222,701.50 - Step 5: Solve for x
x = 3,740,095,942,222,701.50/69,779,941.68 - Step 6: Final answer
x = 53,598,438.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.