Finding the Fourth Proportional to 84,118,239.60, 126,189,169.20 and 26,604,513.60
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Solution
The fourth proportional to 84,118,239.60, 126,189,169.20 and 26,604,513.60 is: 39,910,505.55
Step by Step Solution
- Step 1: Write the proportion equation
84,118,239.60 : 126,189,169.20 = 26,604,513.60 : x - Step 2: Convert to fraction form
84,118,239.60/126,189,169.20 = 26,604,513.60/x - Step 3: Cross multiply
84,118,239.60x = 126,189,169.20 × 26,604,513.60 - Step 4: Simplify right side
84,118,239.60x = 3,357,201,468,154,101.50 - Step 5: Solve for x
x = 3,357,201,468,154,101.50/84,118,239.60 - Step 6: Final answer
x = 39,910,505.55
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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.