Finding the Fourth Proportional to 98,354,285.74, 135,740,816.20 and 55,978,148.26
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Solution
The fourth proportional to 98,354,285.74, 135,740,816.20 and 55,978,148.26 is: 77,256,618.53
Step by Step Solution
- Step 1: Write the proportion equation
98,354,285.74 : 135,740,816.20 = 55,978,148.26 : x - Step 2: Convert to fraction form
98,354,285.74/135,740,816.20 = 55,978,148.26/x - Step 3: Cross multiply
98,354,285.74x = 135,740,816.20 × 55,978,148.26 - Step 4: Simplify right side
98,354,285.74x = 7,598,519,534,177,009 - Step 5: Solve for x
x = 7,598,519,534,177,009/98,354,285.74 - Step 6: Final answer
x = 77,256,618.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.