Finding the Fourth Proportional to 98,631,005.94, 135,999,403.79 and 73,771,524.36
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Solution
The fourth proportional to 98,631,005.94, 135,999,403.79 and 73,771,524.36 is: 101,721,393.12
Step by Step Solution
- Step 1: Write the proportion equation
98,631,005.94 : 135,999,403.79 = 73,771,524.36 : x - Step 2: Convert to fraction form
98,631,005.94/135,999,403.79 = 73,771,524.36/x - Step 3: Cross multiply
98,631,005.94x = 135,999,403.79 × 73,771,524.36 - Step 4: Simplify right side
98,631,005.94x = 10,032,883,329,270,604 - Step 5: Solve for x
x = 10,032,883,329,270,604/98,631,005.94 - Step 6: Final answer
x = 101,721,393.12
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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.