Finding the Fourth Proportional to 144,332,983.75, 199,343,922.77 and 97,842,525.07
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Solution
The fourth proportional to 144,332,983.75, 199,343,922.77 and 97,842,525.07 is: 135,134,133.96
Step by Step Solution
- Step 1: Write the proportion equation
144,332,983.75 : 199,343,922.77 = 97,842,525.07 : x - Step 2: Convert to fraction form
144,332,983.75/199,343,922.77 = 97,842,525.07/x - Step 3: Cross multiply
144,332,983.75x = 199,343,922.77 × 97,842,525.07 - Step 4: Simplify right side
144,332,983.75x = 19,504,312,759,689,936 - Step 5: Solve for x
x = 19,504,312,759,689,936/144,332,983.75 - Step 6: Final answer
x = 135,134,133.96
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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.