Finding the Fourth Proportional to 338,988,166.96, 508,486,974.36 and 96,651,070.96
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Solution
The fourth proportional to 338,988,166.96, 508,486,974.36 and 96,651,070.96 is: 144,977,953.31
Step by Step Solution
- Step 1: Write the proportion equation
338,988,166.96 : 508,486,974.36 = 96,651,070.96 : x - Step 2: Convert to fraction form
338,988,166.96/508,486,974.36 = 96,651,070.96/x - Step 3: Cross multiply
338,988,166.96x = 508,486,974.36 × 96,651,070.96 - Step 4: Simplify right side
338,988,166.96x = 49,145,810,641,104,056 - Step 5: Solve for x
x = 49,145,810,641,104,056/338,988,166.96 - Step 6: Final answer
x = 144,977,953.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.