Finding the Fourth Proportional to 69,984,117.10, 104,976,175.65 and 64,457,130.70
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Solution
The fourth proportional to 69,984,117.10, 104,976,175.65 and 64,457,130.70 is: 96,685,696.05
Step by Step Solution
- Step 1: Write the proportion equation
69,984,117.10 : 104,976,175.65 = 64,457,130.70 : x - Step 2: Convert to fraction form
69,984,117.10/104,976,175.65 = 64,457,130.70/x - Step 3: Cross multiply
69,984,117.10x = 104,976,175.65 × 64,457,130.70 - Step 4: Simplify right side
69,984,117.10x = 6,766,463,074,258,208 - Step 5: Solve for x
x = 6,766,463,074,258,208/69,984,117.10 - Step 6: Final answer
x = 96,685,696.05
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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.