Finding the Fourth Proportional to 129,544,483.84, 194,489,110.49 and 68,176,737.88
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Solution
The fourth proportional to 129,544,483.84, 194,489,110.49 and 68,176,737.88 is: 102,355,829.54
Step by Step Solution
- Step 1: Write the proportion equation
129,544,483.84 : 194,489,110.49 = 68,176,737.88 : x - Step 2: Convert to fraction form
129,544,483.84/194,489,110.49 = 68,176,737.88/x - Step 3: Cross multiply
129,544,483.84x = 194,489,110.49 × 68,176,737.88 - Step 4: Simplify right side
129,544,483.84x = 13,259,633,105,563,982 - Step 5: Solve for x
x = 13,259,633,105,563,982/129,544,483.84 - Step 6: Final answer
x = 102,355,829.54
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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.