Finding the Fourth Proportional to 98,348,099.40, 135,738,142.74 and 58,658,173.92
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Solution
The fourth proportional to 98,348,099.40, 135,738,142.74 and 58,658,173.92 is: 80,958,876.00
Step by Step Solution
- Step 1: Write the proportion equation
98,348,099.40 : 135,738,142.74 = 58,658,173.92 : x - Step 2: Convert to fraction form
98,348,099.40/135,738,142.74 = 58,658,173.92/x - Step 3: Cross multiply
98,348,099.40x = 135,738,142.74 × 58,658,173.92 - Step 4: Simplify right side
98,348,099.40x = 7,962,151,584,420,706 - Step 5: Solve for x
x = 7,962,151,584,420,706/98,348,099.40 - Step 6: Final answer
x = 80,958,876.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.