Finding the Fourth Proportional to 84,106,340.96, 126,158,670.38 and 26,598,621.92
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Solution
The fourth proportional to 84,106,340.96, 126,158,670.38 and 26,598,621.92 is: 39,897,666.89
Step by Step Solution
- Step 1: Write the proportion equation
84,106,340.96 : 126,158,670.38 = 26,598,621.92 : x - Step 2: Convert to fraction form
84,106,340.96/126,158,670.38 = 26,598,621.92/x - Step 3: Cross multiply
84,106,340.96x = 126,158,670.38 × 26,598,621.92 - Step 4: Simplify right side
84,106,340.96x = 3,355,646,775,367,523 - Step 5: Solve for x
x = 3,355,646,775,367,523/84,106,340.96 - Step 6: Final answer
x = 39,897,666.89
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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.