Finding the Fourth Proportional to 68,498,098.18, 102,737,182.73 and 19,962,920.25
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Solution
The fourth proportional to 68,498,098.18, 102,737,182.73 and 19,962,920.25 is: 29,941,476.33
Step by Step Solution
- Step 1: Write the proportion equation
68,498,098.18 : 102,737,182.73 = 19,962,920.25 : x - Step 2: Convert to fraction form
68,498,098.18/102,737,182.73 = 19,962,920.25/x - Step 3: Cross multiply
68,498,098.18x = 102,737,182.73 × 19,962,920.25 - Step 4: Simplify right side
68,498,098.18x = 2,050,934,185,448,852.50 - Step 5: Solve for x
x = 2,050,934,185,448,852.50/68,498,098.18 - Step 6: Final answer
x = 29,941,476.33
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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.