Finding the Fourth Proportional to 84,118,235.10, 126,189,162.45 and 26,604,509.10
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Solution
The fourth proportional to 84,118,235.10, 126,189,162.45 and 26,604,509.10 is: 39,910,498.80
Step by Step Solution
- Step 1: Write the proportion equation
84,118,235.10 : 126,189,162.45 = 26,604,509.10 : x - Step 2: Convert to fraction form
84,118,235.10/126,189,162.45 = 26,604,509.10/x - Step 3: Cross multiply
84,118,235.10x = 126,189,162.45 × 26,604,509.10 - Step 4: Simplify right side
84,118,235.10x = 3,357,200,720,722,403.50 - Step 5: Solve for x
x = 3,357,200,720,722,403.50/84,118,235.10 - Step 6: Final answer
x = 39,910,498.80
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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.