Finding the Fourth Proportional to 79,880,303.12, 119,894,101.90 and 40,516,185.31
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Solution
The fourth proportional to 79,880,303.12, 119,894,101.90 and 40,516,185.31 is: 60,811,632.66
Step by Step Solution
- Step 1: Write the proportion equation
79,880,303.12 : 119,894,101.90 = 40,516,185.31 : x - Step 2: Convert to fraction form
79,880,303.12/119,894,101.90 = 40,516,185.31/x - Step 3: Cross multiply
79,880,303.12x = 119,894,101.90 × 40,516,185.31 - Step 4: Simplify right side
79,880,303.12x = 4,857,651,650,156,424 - Step 5: Solve for x
x = 4,857,651,650,156,424/79,880,303.12 - Step 6: Final answer
x = 60,811,632.66
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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.