Finding the Fourth Proportional to 66,095,013.35, 91,209,304.49 and 36,725,590.79
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Solution
The fourth proportional to 66,095,013.35, 91,209,304.49 and 36,725,590.79 is: 50,680,307.38
Step by Step Solution
- Step 1: Write the proportion equation
66,095,013.35 : 91,209,304.49 = 36,725,590.79 : x - Step 2: Convert to fraction form
66,095,013.35/91,209,304.49 = 36,725,590.79/x - Step 3: Cross multiply
66,095,013.35x = 91,209,304.49 × 36,725,590.79 - Step 4: Simplify right side
66,095,013.35x = 3,349,715,592,300,575 - Step 5: Solve for x
x = 3,349,715,592,300,575/66,095,013.35 - Step 6: Final answer
x = 50,680,307.38
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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.