Finding the Fourth Proportional to 239,717,927.20, 359,576,890.80 and 239,717,927.20
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Solution
The fourth proportional to 239,717,927.20, 359,576,890.80 and 239,717,927.20 is: 359,576,890.80
Step by Step Solution
- Step 1: Write the proportion equation
239,717,927.20 : 359,576,890.80 = 239,717,927.20 : x - Step 2: Convert to fraction form
239,717,927.20/359,576,890.80 = 239,717,927.20/x - Step 3: Cross multiply
239,717,927.20x = 359,576,890.80 × 239,717,927.20 - Step 4: Simplify right side
239,717,927.20x = 86,197,026,931,596,752 - Step 5: Solve for x
x = 86,197,026,931,596,752/239,717,927.20 - Step 6: Final answer
x = 359,576,890.80
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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.