Finding the Fourth Proportional to 272,484,542.24, 376,520,543.96 and 194,031,893.84
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Solution
The fourth proportional to 272,484,542.24, 376,520,543.96 and 194,031,893.84 is: 268,114,270.31
Step by Step Solution
- Step 1: Write the proportion equation
272,484,542.24 : 376,520,543.96 = 194,031,893.84 : x - Step 2: Convert to fraction form
272,484,542.24/376,520,543.96 = 194,031,893.84/x - Step 3: Cross multiply
272,484,542.24x = 376,520,543.96 × 194,031,893.84 - Step 4: Simplify right side
272,484,542.24x = 73,056,994,214,225,776 - Step 5: Solve for x
x = 73,056,994,214,225,776/272,484,542.24 - Step 6: Final answer
x = 268,114,270.31
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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.