Finding the Fourth Proportional to 159,739,218.90, 239,272,905.15 and 132,865,362.90
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Solution
The fourth proportional to 159,739,218.90, 239,272,905.15 and 132,865,362.90 is: 199,018,635.46
Step by Step Solution
- Step 1: Write the proportion equation
159,739,218.90 : 239,272,905.15 = 132,865,362.90 : x - Step 2: Convert to fraction form
159,739,218.90/239,272,905.15 = 132,865,362.90/x - Step 3: Cross multiply
159,739,218.90x = 239,272,905.15 × 132,865,362.90 - Step 4: Simplify right side
159,739,218.90x = 31,791,081,374,892,032 - Step 5: Solve for x
x = 31,791,081,374,892,032/159,739,218.90 - Step 6: Final answer
x = 199,018,635.46
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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.