Finding the Fourth Proportional to 120,178,599.14, 180,242,672.70 and 33,896,828.09
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Solution
The fourth proportional to 120,178,599.14, 180,242,672.70 and 33,896,828.09 is: 50,838,127.04
Step by Step Solution
- Step 1: Write the proportion equation
120,178,599.14 : 180,242,672.70 = 33,896,828.09 : x - Step 2: Convert to fraction form
120,178,599.14/180,242,672.70 = 33,896,828.09/x - Step 3: Cross multiply
120,178,599.14x = 180,242,672.70 × 33,896,828.09 - Step 4: Simplify right side
120,178,599.14x = 6,109,654,890,994,036 - Step 5: Solve for x
x = 6,109,654,890,994,036/120,178,599.14 - Step 6: Final answer
x = 50,838,127.04
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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.