Finding the Fourth Proportional to 84,216,004.90, 126,324,007.35 and 74,331,202.30
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Solution
The fourth proportional to 84,216,004.90, 126,324,007.35 and 74,331,202.30 is: 111,496,803.45
Step by Step Solution
- Step 1: Write the proportion equation
84,216,004.90 : 126,324,007.35 = 74,331,202.30 : x - Step 2: Convert to fraction form
84,216,004.90/126,324,007.35 = 74,331,202.30/x - Step 3: Cross multiply
84,216,004.90x = 126,324,007.35 × 74,331,202.30 - Step 4: Simplify right side
84,216,004.90x = 9,389,815,345,679,536 - Step 5: Solve for x
x = 9,389,815,345,679,536/84,216,004.90 - Step 6: Final answer
x = 111,496,803.45
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1.5x scale
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.