Finding the Fourth Proportional to 56,169,849.20, 84,254,773.80 and 22,079,865.20
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Solution
The fourth proportional to 56,169,849.20, 84,254,773.80 and 22,079,865.20 is: 33,119,797.80
Step by Step Solution
- Step 1: Write the proportion equation
56,169,849.20 : 84,254,773.80 = 22,079,865.20 : x - Step 2: Convert to fraction form
56,169,849.20/84,254,773.80 = 22,079,865.20/x - Step 3: Cross multiply
56,169,849.20x = 84,254,773.80 × 22,079,865.20 - Step 4: Simplify right side
56,169,849.20x = 1,860,334,047,960,491.75 - Step 5: Solve for x
x = 1,860,334,047,960,491.75/56,169,849.20 - Step 6: Final answer
x = 33,119,797.80
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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.