Finding the Fourth Proportional to 272,822,347.24, 409,227,612.21 and 76,080,510.95
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Solution
The fourth proportional to 272,822,347.24, 409,227,612.21 and 76,080,510.95 is: 114,119,118.70
Step by Step Solution
- Step 1: Write the proportion equation
272,822,347.24 : 409,227,612.21 = 76,080,510.95 : x - Step 2: Convert to fraction form
272,822,347.24/409,227,612.21 = 76,080,510.95/x - Step 3: Cross multiply
272,822,347.24x = 409,227,612.21 × 76,080,510.95 - Step 4: Simplify right side
272,822,347.24x = 31,134,245,829,739,116 - Step 5: Solve for x
x = 31,134,245,829,739,116/272,822,347.24 - Step 6: Final answer
x = 114,119,118.70
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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.