Finding the Fourth Proportional to 98,131,470.10, 147,197,205.15 and 97,459,623.70
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Solution
The fourth proportional to 98,131,470.10, 147,197,205.15 and 97,459,623.70 is: 146,189,435.55
Step by Step Solution
- Step 1: Write the proportion equation
98,131,470.10 : 147,197,205.15 = 97,459,623.70 : x - Step 2: Convert to fraction form
98,131,470.10/147,197,205.15 = 97,459,623.70/x - Step 3: Cross multiply
98,131,470.10x = 147,197,205.15 × 97,459,623.70 - Step 4: Simplify right side
98,131,470.10x = 14,345,784,223,610,704 - Step 5: Solve for x
x = 14,345,784,223,610,704/98,131,470.10 - Step 6: Final answer
x = 146,189,435.55
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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.