Finding the Fourth Proportional to 98,631,085.24, 135,999,512.94 and 73,771,603.66
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Solution
The fourth proportional to 98,631,085.24, 135,999,512.94 and 73,771,603.66 is: 101,721,502.33
Step by Step Solution
- Step 1: Write the proportion equation
98,631,085.24 : 135,999,512.94 = 73,771,603.66 : x - Step 2: Convert to fraction form
98,631,085.24/135,999,512.94 = 73,771,603.66/x - Step 3: Cross multiply
98,631,085.24x = 135,999,512.94 × 73,771,603.66 - Step 4: Simplify right side
98,631,085.24x = 10,032,902,166,562,720 - Step 5: Solve for x
x = 10,032,902,166,562,720/98,631,085.24 - Step 6: Final answer
x = 101,721,502.33
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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.