Finding the Fourth Proportional to 104,911,786.90, 157,367,680.35 and 98,529,246.10
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Solution
The fourth proportional to 104,911,786.90, 157,367,680.35 and 98,529,246.10 is: 147,793,869.15
Step by Step Solution
- Step 1: Write the proportion equation
104,911,786.90 : 157,367,680.35 = 98,529,246.10 : x - Step 2: Convert to fraction form
104,911,786.90/157,367,680.35 = 98,529,246.10/x - Step 3: Cross multiply
104,911,786.90x = 157,367,680.35 × 98,529,246.10 - Step 4: Simplify right side
104,911,786.90x = 15,505,318,905,391,282 - Step 5: Solve for x
x = 15,505,318,905,391,282/104,911,786.90 - Step 6: Final answer
x = 147,793,869.15
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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.