Finding the Fourth Proportional to 147,690,459.20, 221,535,688.80 and 50,633,148.80
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Solution
The fourth proportional to 147,690,459.20, 221,535,688.80 and 50,633,148.80 is: 75,949,723.20
Step by Step Solution
- Step 1: Write the proportion equation
147,690,459.20 : 221,535,688.80 = 50,633,148.80 : x - Step 2: Convert to fraction form
147,690,459.20/221,535,688.80 = 50,633,148.80/x - Step 3: Cross multiply
147,690,459.20x = 221,535,688.80 × 50,633,148.80 - Step 4: Simplify right side
147,690,459.20x = 11,217,049,495,520,894 - Step 5: Solve for x
x = 11,217,049,495,520,894/147,690,459.20 - Step 6: Final answer
x = 75,949,723.20
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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.