Finding the Fourth Proportional to 227,259,011.76, 313,617,248.20 and 122,837,082.74
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Solution
The fourth proportional to 227,259,011.76, 313,617,248.20 and 122,837,082.74 is: 169,515,072.56
Step by Step Solution
- Step 1: Write the proportion equation
227,259,011.76 : 313,617,248.20 = 122,837,082.74 : x - Step 2: Convert to fraction form
227,259,011.76/313,617,248.20 = 122,837,082.74/x - Step 3: Cross multiply
227,259,011.76x = 313,617,248.20 × 122,837,082.74 - Step 4: Simplify right side
227,259,011.76x = 38,523,827,867,708,104 - Step 5: Solve for x
x = 38,523,827,867,708,104/227,259,011.76 - Step 6: Final answer
x = 169,515,072.56
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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.