Finding the Fourth Proportional to 106,326,219.60, 159,489,329.40 and 29,649,124.80
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Solution
The fourth proportional to 106,326,219.60, 159,489,329.40 and 29,649,124.80 is: 44,473,687.20
Step by Step Solution
- Step 1: Write the proportion equation
106,326,219.60 : 159,489,329.40 = 29,649,124.80 : x - Step 2: Convert to fraction form
106,326,219.60/159,489,329.40 = 29,649,124.80/x - Step 3: Cross multiply
106,326,219.60x = 159,489,329.40 × 29,649,124.80 - Step 4: Simplify right side
106,326,219.60x = 4,728,719,031,648,909 - Step 5: Solve for x
x = 4,728,719,031,648,909/106,326,219.60 - Step 6: Final answer
x = 44,473,687.20
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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.