Finding the Fourth Proportional to 229,654,807.92, 316,931,287.68 and 125,238,592.44
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Solution
The fourth proportional to 229,654,807.92, 316,931,287.68 and 125,238,592.44 is: 172,833,430.87
Step by Step Solution
- Step 1: Write the proportion equation
229,654,807.92 : 316,931,287.68 = 125,238,592.44 : x - Step 2: Convert to fraction form
229,654,807.92/316,931,287.68 = 125,238,592.44/x - Step 3: Cross multiply
229,654,807.92x = 316,931,287.68 × 125,238,592.44 - Step 4: Simplify right side
229,654,807.92x = 39,692,028,369,239,912 - Step 5: Solve for x
x = 39,692,028,369,239,912/229,654,807.92 - Step 6: Final answer
x = 172,833,430.87
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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.