Finding the Fourth Proportional to 271,980,193.60, 408,064,768.80 and 118,736,228.80
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Solution
The fourth proportional to 271,980,193.60, 408,064,768.80 and 118,736,228.80 is: 178,145,588.88
Step by Step Solution
- Step 1: Write the proportion equation
271,980,193.60 : 408,064,768.80 = 118,736,228.80 : x - Step 2: Convert to fraction form
271,980,193.60/408,064,768.80 = 118,736,228.80/x - Step 3: Cross multiply
271,980,193.60x = 408,064,768.80 × 118,736,228.80 - Step 4: Simplify right side
271,980,193.60x = 48,452,071,753,455,904 - Step 5: Solve for x
x = 48,452,071,753,455,904/271,980,193.60 - Step 6: Final answer
x = 178,145,588.88
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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.