Finding the Fourth Proportional to 248,832,355.20, 373,248,532.80 and 141,336,931.20
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Solution
The fourth proportional to 248,832,355.20, 373,248,532.80 and 141,336,931.20 is: 212,005,396.80
Step by Step Solution
- Step 1: Write the proportion equation
248,832,355.20 : 373,248,532.80 = 141,336,931.20 : x - Step 2: Convert to fraction form
248,832,355.20/373,248,532.80 = 141,336,931.20/x - Step 3: Cross multiply
248,832,355.20x = 373,248,532.80 × 141,336,931.20 - Step 4: Simplify right side
248,832,355.20x = 52,753,802,200,854,544 - Step 5: Solve for x
x = 52,753,802,200,854,544/248,832,355.20 - Step 6: Final answer
x = 212,005,396.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.