Finding the Fourth Proportional to 194,121,187.07, 291,187,759.28 and 84,890,132.53
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Solution
The fourth proportional to 194,121,187.07, 291,187,759.28 and 84,890,132.53 is: 127,337,813.30
Step by Step Solution
- Step 1: Write the proportion equation
194,121,187.07 : 291,187,759.28 = 84,890,132.53 : x - Step 2: Convert to fraction form
194,121,187.07/291,187,759.28 = 84,890,132.53/x - Step 3: Cross multiply
194,121,187.07x = 291,187,759.28 × 84,890,132.53 - Step 4: Simplify right side
194,121,187.07x = 24,718,967,475,240,516 - Step 5: Solve for x
x = 24,718,967,475,240,516/194,121,187.07 - Step 6: Final answer
x = 127,337,813.30
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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.