Finding the Fourth Proportional to 98,354,240.19, 135,740,753.36 and 55,978,102.77
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Solution
The fourth proportional to 98,354,240.19, 135,740,753.36 and 55,978,102.77 is: 77,256,555.76
Step by Step Solution
- Step 1: Write the proportion equation
98,354,240.19 : 135,740,753.36 = 55,978,102.77 : x - Step 2: Convert to fraction form
98,354,240.19/135,740,753.36 = 55,978,102.77/x - Step 3: Cross multiply
98,354,240.19x = 135,740,753.36 × 55,978,102.77 - Step 4: Simplify right side
98,354,240.19x = 7,598,509,841,383,412 - Step 5: Solve for x
x = 7,598,509,841,383,412/98,354,240.19 - Step 6: Final answer
x = 77,256,555.76
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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.