Finding the Fourth Proportional to 272,125,789.85, 375,565,471.51 and 154,668,775.97
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Solution
The fourth proportional to 272,125,789.85, 375,565,471.51 and 154,668,775.97 is: 213,461,031.41
Step by Step Solution
- Step 1: Write the proportion equation
272,125,789.85 : 375,565,471.51 = 154,668,775.97 : x - Step 2: Convert to fraction form
272,125,789.85/375,565,471.51 = 154,668,775.97/x - Step 3: Cross multiply
272,125,789.85x = 375,565,471.51 × 154,668,775.97 - Step 4: Simplify right side
272,125,789.85x = 58,088,251,772,783,112 - Step 5: Solve for x
x = 58,088,251,772,783,112/272,125,789.85 - Step 6: Final answer
x = 213,461,031.41
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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.