Finding the Fourth Proportional to 98,124,214.16, 135,412,323.56 and 54,072,789.36
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Solution
The fourth proportional to 98,124,214.16, 135,412,323.56 and 54,072,789.36 is: 74,620,949.69
Step by Step Solution
- Step 1: Write the proportion equation
98,124,214.16 : 135,412,323.56 = 54,072,789.36 : x - Step 2: Convert to fraction form
98,124,214.16/135,412,323.56 = 54,072,789.36/x - Step 3: Cross multiply
98,124,214.16x = 135,412,323.56 × 54,072,789.36 - Step 4: Simplify right side
98,124,214.16x = 7,322,122,048,608,045 - Step 5: Solve for x
x = 7,322,122,048,608,045/98,124,214.16 - Step 6: Final answer
x = 74,620,949.69
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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.