Finding the Fourth Proportional to 134,136,322.90, 201,204,484.35 and 47,877,543.70
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Solution
The fourth proportional to 134,136,322.90, 201,204,484.35 and 47,877,543.70 is: 71,816,315.55
Step by Step Solution
- Step 1: Write the proportion equation
134,136,322.90 : 201,204,484.35 = 47,877,543.70 : x - Step 2: Convert to fraction form
134,136,322.90/201,204,484.35 = 47,877,543.70/x - Step 3: Cross multiply
134,136,322.90x = 201,204,484.35 × 47,877,543.70 - Step 4: Simplify right side
134,136,322.90x = 9,633,176,492,103,092 - Step 5: Solve for x
x = 9,633,176,492,103,092/134,136,322.90 - Step 6: Final answer
x = 71,816,315.55
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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.