Finding the Fourth Proportional to 98,492,541.46, 135,917,336.41 and 53,836,509.67
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Solution
The fourth proportional to 98,492,541.46, 135,917,336.41 and 53,836,509.67 is: 74,293,087.45
Step by Step Solution
- Step 1: Write the proportion equation
98,492,541.46 : 135,917,336.41 = 53,836,509.67 : x - Step 2: Convert to fraction form
98,492,541.46/135,917,336.41 = 53,836,509.67/x - Step 3: Cross multiply
98,492,541.46x = 135,917,336.41 × 53,836,509.67 - Step 4: Simplify right side
98,492,541.46x = 7,317,314,995,483,223 - Step 5: Solve for x
x = 7,317,314,995,483,223/98,492,541.46 - Step 6: Final answer
x = 74,293,087.45
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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.