Finding the Fourth Proportional to 90,835,261.57, 136,246,304.19 and 35,492,693.49
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Solution
The fourth proportional to 90,835,261.57, 136,246,304.19 and 35,492,693.49 is: 53,236,465.99
Step by Step Solution
- Step 1: Write the proportion equation
90,835,261.57 : 136,246,304.19 = 35,492,693.49 : x - Step 2: Convert to fraction form
90,835,261.57/136,246,304.19 = 35,492,693.49/x - Step 3: Cross multiply
90,835,261.57x = 136,246,304.19 × 35,492,693.49 - Step 4: Simplify right side
90,835,261.57x = 4,835,748,313,502,821 - Step 5: Solve for x
x = 4,835,748,313,502,821/90,835,261.57 - Step 6: Final answer
x = 53,236,465.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.