Finding the Fourth Proportional to 98,701,149.27, 136,211,843.25 and 54,648,149.07
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Solution
The fourth proportional to 98,701,149.27, 136,211,843.25 and 54,648,149.07 is: 75,416,802.84
Step by Step Solution
- Step 1: Write the proportion equation
98,701,149.27 : 136,211,843.25 = 54,648,149.07 : x - Step 2: Convert to fraction form
98,701,149.27/136,211,843.25 = 54,648,149.07/x - Step 3: Cross multiply
98,701,149.27x = 136,211,843.25 × 54,648,149.07 - Step 4: Simplify right side
98,701,149.27x = 7,443,725,115,025,473 - Step 5: Solve for x
x = 7,443,725,115,025,473/98,701,149.27 - Step 6: Final answer
x = 75,416,802.84
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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.