Finding the Fourth Proportional to 49,886,387.13, 68,343,214.80 and 48,021,223.82
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Solution
The fourth proportional to 49,886,387.13, 68,343,214.80 and 48,021,223.82 is: 65,787,983.52
Step by Step Solution
- Step 1: Write the proportion equation
49,886,387.13 : 68,343,214.80 = 48,021,223.82 : x - Step 2: Convert to fraction form
49,886,387.13/68,343,214.80 = 48,021,223.82/x - Step 3: Cross multiply
49,886,387.13x = 68,343,214.80 × 48,021,223.82 - Step 4: Simplify right side
49,886,387.13x = 3,281,924,814,489,136.50 - Step 5: Solve for x
x = 3,281,924,814,489,136.50/49,886,387.13 - Step 6: Final answer
x = 65,787,983.52
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.