Finding the Fourth Proportional to 71,241,211.36, 98,313,060.72 and 38,646,163.36
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Solution
The fourth proportional to 71,241,211.36, 98,313,060.72 and 38,646,163.36 is: 53,331,807.99
Step by Step Solution
- Step 1: Write the proportion equation
71,241,211.36 : 98,313,060.72 = 38,646,163.36 : x - Step 2: Convert to fraction form
71,241,211.36/98,313,060.72 = 38,646,163.36/x - Step 3: Cross multiply
71,241,211.36x = 98,313,060.72 × 38,646,163.36 - Step 4: Simplify right side
71,241,211.36x = 3,799,422,605,006,719 - Step 5: Solve for x
x = 3,799,422,605,006,719/71,241,211.36 - Step 6: Final answer
x = 53,331,807.99
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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.