Finding the Fourth Proportional to 54,118,621.82, 81,169,291.44 and 15,771,166.04
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Solution
The fourth proportional to 54,118,621.82, 81,169,291.44 and 15,771,166.04 is: 23,654,230.82
Step by Step Solution
- Step 1: Write the proportion equation
54,118,621.82 : 81,169,291.44 = 15,771,166.04 : x - Step 2: Convert to fraction form
54,118,621.82/81,169,291.44 = 15,771,166.04/x - Step 3: Cross multiply
54,118,621.82x = 81,169,291.44 × 15,771,166.04 - Step 4: Simplify right side
54,118,621.82x = 1,280,134,372,243,544.25 - Step 5: Solve for x
x = 1,280,134,372,243,544.25/54,118,621.82 - Step 6: Final answer
x = 23,654,230.82
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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.