Finding the Fourth Proportional to 83,041,239.28, 124,565,252.40 and 28,491,335.68
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Solution
The fourth proportional to 83,041,239.28, 124,565,252.40 and 28,491,335.68 is: 42,738,167.82
Step by Step Solution
- Step 1: Write the proportion equation
83,041,239.28 : 124,565,252.40 = 28,491,335.68 : x - Step 2: Convert to fraction form
83,041,239.28/124,565,252.40 = 28,491,335.68/x - Step 3: Cross multiply
83,041,239.28x = 124,565,252.40 × 28,491,335.68 - Step 4: Simplify right side
83,041,239.28x = 3,549,030,420,192,326 - Step 5: Solve for x
x = 3,549,030,420,192,326/83,041,239.28 - Step 6: Final answer
x = 42,738,167.82
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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.