Finding the Fourth Proportional to 135,988,010.94, 187,610,185.14 and 83,686,244.94
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Solution
The fourth proportional to 135,988,010.94, 187,610,185.14 and 83,686,244.94 is: 115,454,235.99
Step by Step Solution
- Step 1: Write the proportion equation
135,988,010.94 : 187,610,185.14 = 83,686,244.94 : x - Step 2: Convert to fraction form
135,988,010.94/187,610,185.14 = 83,686,244.94/x - Step 3: Cross multiply
135,988,010.94x = 187,610,185.14 × 83,686,244.94 - Step 4: Simplify right side
135,988,010.94x = 15,700,391,906,864,786 - Step 5: Solve for x
x = 15,700,391,906,864,786/135,988,010.94 - Step 6: Final answer
x = 115,454,235.99
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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.