Finding the Fourth Proportional to 83,041,240.28, 124,565,253.90 and 28,491,336.68
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Solution
The fourth proportional to 83,041,240.28, 124,565,253.90 and 28,491,336.68 is: 42,738,169.32
Step by Step Solution
- Step 1: Write the proportion equation
83,041,240.28 : 124,565,253.90 = 28,491,336.68 : x - Step 2: Convert to fraction form
83,041,240.28/124,565,253.90 = 28,491,336.68/x - Step 3: Cross multiply
83,041,240.28x = 124,565,253.90 × 28,491,336.68 - Step 4: Simplify right side
83,041,240.28x = 3,549,030,587,494,583 - Step 5: Solve for x
x = 3,549,030,587,494,583/83,041,240.28 - Step 6: Final answer
x = 42,738,169.32
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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.