Finding the Fourth Proportional to 208,867,924.28, 288,245,514.35 and 125,249,668.74
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Solution
The fourth proportional to 208,867,924.28, 288,245,514.35 and 125,249,668.74 is: 172,849,207.52
Step by Step Solution
- Step 1: Write the proportion equation
208,867,924.28 : 288,245,514.35 = 125,249,668.74 : x - Step 2: Convert to fraction form
208,867,924.28/288,245,514.35 = 125,249,668.74/x - Step 3: Cross multiply
208,867,924.28x = 288,245,514.35 × 125,249,668.74 - Step 4: Simplify right side
208,867,924.28x = 36,102,655,188,441,544 - Step 5: Solve for x
x = 36,102,655,188,441,544/208,867,924.28 - Step 6: Final answer
x = 172,849,207.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.