Finding the Fourth Proportional to 98,416,110.40, 147,624,165.60 and 40,889,262.40
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Solution
The fourth proportional to 98,416,110.40, 147,624,165.60 and 40,889,262.40 is: 61,333,893.60
Step by Step Solution
- Step 1: Write the proportion equation
98,416,110.40 : 147,624,165.60 = 40,889,262.40 : x - Step 2: Convert to fraction form
98,416,110.40/147,624,165.60 = 40,889,262.40/x - Step 3: Cross multiply
98,416,110.40x = 147,624,165.60 × 40,889,262.40 - Step 4: Simplify right side
98,416,110.40x = 6,036,243,243,799,453 - Step 5: Solve for x
x = 6,036,243,243,799,453/98,416,110.40 - Step 6: Final answer
x = 61,333,893.60
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1.5x scale
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.