Finding the Fourth Proportional to 162,087,472.18, 243,228,039.58 and 148,900,183.49
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Solution
The fourth proportional to 162,087,472.18, 243,228,039.58 and 148,900,183.49 is: 223,439,228.43
Step by Step Solution
- Step 1: Write the proportion equation
162,087,472.18 : 243,228,039.58 = 148,900,183.49 : x - Step 2: Convert to fraction form
162,087,472.18/243,228,039.58 = 148,900,183.49/x - Step 3: Cross multiply
162,087,472.18x = 243,228,039.58 × 148,900,183.49 - Step 4: Simplify right side
162,087,472.18x = 36,216,699,722,630,480 - Step 5: Solve for x
x = 36,216,699,722,630,480/162,087,472.18 - Step 6: Final answer
x = 223,439,228.43
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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.