Finding the Fourth Proportional to 126,084,683.10, 189,127,024.65 and 44,295,913.20
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Solution
The fourth proportional to 126,084,683.10, 189,127,024.65 and 44,295,913.20 is: 66,443,869.80
Step by Step Solution
- Step 1: Write the proportion equation
126,084,683.10 : 189,127,024.65 = 44,295,913.20 : x - Step 2: Convert to fraction form
126,084,683.10/189,127,024.65 = 44,295,913.20/x - Step 3: Cross multiply
126,084,683.10x = 189,127,024.65 × 44,295,913.20 - Step 4: Simplify right side
126,084,683.10x = 8,377,554,267,670,661 - Step 5: Solve for x
x = 8,377,554,267,670,661/126,084,683.10 - Step 6: Final answer
x = 66,443,869.80
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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.