Finding the Fourth Proportional to 236,143,718.69, 325,862,585.39 and 135,675,388.13
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Solution
The fourth proportional to 236,143,718.69, 325,862,585.39 and 135,675,388.13 is: 187,222,988.59
Step by Step Solution
- Step 1: Write the proportion equation
236,143,718.69 : 325,862,585.39 = 135,675,388.13 : x - Step 2: Convert to fraction form
236,143,718.69/325,862,585.39 = 135,675,388.13/x - Step 3: Cross multiply
236,143,718.69x = 325,862,585.39 × 135,675,388.13 - Step 4: Simplify right side
236,143,718.69x = 44,211,532,749,155,136 - Step 5: Solve for x
x = 44,211,532,749,155,136/236,143,718.69 - Step 6: Final answer
x = 187,222,988.59
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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.