Finding the Fourth Proportional to 147,160,318.16, 203,087,505.48 and 81,970,204.88
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Solution
The fourth proportional to 147,160,318.16, 203,087,505.48 and 81,970,204.88 is: 113,122,373.21
Step by Step Solution
- Step 1: Write the proportion equation
147,160,318.16 : 203,087,505.48 = 81,970,204.88 : x - Step 2: Convert to fraction form
147,160,318.16/203,087,505.48 = 81,970,204.88/x - Step 3: Cross multiply
147,160,318.16x = 203,087,505.48 × 81,970,204.88 - Step 4: Simplify right side
147,160,318.16x = 16,647,124,432,763,720 - Step 5: Solve for x
x = 16,647,124,432,763,720/147,160,318.16 - Step 6: Final answer
x = 113,122,373.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.