Finding the Fourth Proportional to 207,875,833.23, 286,865,170.16 and 115,054,353.87
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Solution
The fourth proportional to 207,875,833.23, 286,865,170.16 and 115,054,353.87 is: 158,773,082.41
Step by Step Solution
- Step 1: Write the proportion equation
207,875,833.23 : 286,865,170.16 = 115,054,353.87 : x - Step 2: Convert to fraction form
207,875,833.23/286,865,170.16 = 115,054,353.87/x - Step 3: Cross multiply
207,875,833.23x = 286,865,170.16 × 115,054,353.87 - Step 4: Simplify right side
207,875,833.23x = 33,005,086,799,991,132 - Step 5: Solve for x
x = 33,005,086,799,991,132/207,875,833.23 - Step 6: Final answer
x = 158,773,082.41
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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.