Finding the Fourth Proportional to 199,657,593.37, 299,492,491.21 and 68,498,029.02
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Solution
The fourth proportional to 199,657,593.37, 299,492,491.21 and 68,498,029.02 is: 102,749,136.70
Step by Step Solution
- Step 1: Write the proportion equation
199,657,593.37 : 299,492,491.21 = 68,498,029.02 : x - Step 2: Convert to fraction form
199,657,593.37/299,492,491.21 = 68,498,029.02/x - Step 3: Cross multiply
199,657,593.37x = 299,492,491.21 × 68,498,029.02 - Step 4: Simplify right side
199,657,593.37x = 20,514,645,354,003,428 - Step 5: Solve for x
x = 20,514,645,354,003,428/199,657,593.37 - Step 6: Final answer
x = 102,749,136.70
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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.