Finding the Fourth Proportional to 248,028,934.68, 342,340,677.72 and 192,163,856.76
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Solution
The fourth proportional to 248,028,934.68, 342,340,677.72 and 192,163,856.76 is: 265,233,187.58
Step by Step Solution
- Step 1: Write the proportion equation
248,028,934.68 : 342,340,677.72 = 192,163,856.76 : x - Step 2: Convert to fraction form
248,028,934.68/342,340,677.72 = 192,163,856.76/x - Step 3: Cross multiply
248,028,934.68x = 342,340,677.72 × 192,163,856.76 - Step 4: Simplify right side
248,028,934.68x = 65,785,504,956,507,408 - Step 5: Solve for x
x = 65,785,504,956,507,408/248,028,934.68 - Step 6: Final answer
x = 265,233,187.58
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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.