Finding the Fourth Proportional to 159,557,630.90, 239,336,446.35 and 132,347,851.70
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Solution
The fourth proportional to 159,557,630.90, 239,336,446.35 and 132,347,851.70 is: 198,521,777.55
Step by Step Solution
- Step 1: Write the proportion equation
159,557,630.90 : 239,336,446.35 = 132,347,851.70 : x - Step 2: Convert to fraction form
159,557,630.90/239,336,446.35 = 132,347,851.70/x - Step 3: Cross multiply
159,557,630.90x = 239,336,446.35 × 132,347,851.70 - Step 4: Simplify right side
159,557,630.90x = 31,675,664,507,934,808 - Step 5: Solve for x
x = 31,675,664,507,934,808/159,557,630.90 - Step 6: Final answer
x = 198,521,777.55
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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.