Finding the Fourth Proportional to 194,206,808.20, 291,310,212.30 and 79,128,617.80
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Solution
The fourth proportional to 194,206,808.20, 291,310,212.30 and 79,128,617.80 is: 118,692,926.70
Step by Step Solution
- Step 1: Write the proportion equation
194,206,808.20 : 291,310,212.30 = 79,128,617.80 : x - Step 2: Convert to fraction form
194,206,808.20/291,310,212.30 = 79,128,617.80/x - Step 3: Cross multiply
194,206,808.20x = 291,310,212.30 × 79,128,617.80 - Step 4: Simplify right side
194,206,808.20x = 23,050,974,450,323,560 - Step 5: Solve for x
x = 23,050,974,450,323,560/194,206,808.20 - Step 6: Final answer
x = 118,692,926.70
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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.