Finding the Fourth Proportional to 84,106,405.08, 126,158,765.76 and 26,598,686.04
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Solution
The fourth proportional to 84,106,405.08, 126,158,765.76 and 26,598,686.04 is: 39,897,762.82
Step by Step Solution
- Step 1: Write the proportion equation
84,106,405.08 : 126,158,765.76 = 26,598,686.04 : x - Step 2: Convert to fraction form
84,106,405.08/126,158,765.76 = 26,598,686.04/x - Step 3: Cross multiply
84,106,405.08x = 126,158,765.76 × 26,598,686.04 - Step 4: Simplify right side
84,106,405.08x = 3,355,657,401,644,142 - Step 5: Solve for x
x = 3,355,657,401,644,142/84,106,405.08 - Step 6: Final answer
x = 39,897,762.82
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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.