Finding the Fourth Proportional to 239,887,790.46, 330,988,210.74 and 145,800,294.84
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Solution
The fourth proportional to 239,887,790.46, 330,988,210.74 and 145,800,294.84 is: 201,169,799.52
Step by Step Solution
- Step 1: Write the proportion equation
239,887,790.46 : 330,988,210.74 = 145,800,294.84 : x - Step 2: Convert to fraction form
239,887,790.46/330,988,210.74 = 145,800,294.84/x - Step 3: Cross multiply
239,887,790.46x = 330,988,210.74 × 145,800,294.84 - Step 4: Simplify right side
239,887,790.46x = 48,258,178,714,456,056 - Step 5: Solve for x
x = 48,258,178,714,456,056/239,887,790.46 - Step 6: Final answer
x = 201,169,799.52
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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.