Finding the Fourth Proportional to 84,166,483.36, 126,138,115.14 and 43,224,268.72
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Solution
The fourth proportional to 84,166,483.36, 126,138,115.14 and 43,224,268.72 is: 64,779,085.06
Step by Step Solution
- Step 1: Write the proportion equation
84,166,483.36 : 126,138,115.14 = 43,224,268.72 : x - Step 2: Convert to fraction form
84,166,483.36/126,138,115.14 = 43,224,268.72/x - Step 3: Cross multiply
84,166,483.36x = 126,138,115.14 × 43,224,268.72 - Step 4: Simplify right side
84,166,483.36x = 5,452,227,784,645,660 - Step 5: Solve for x
x = 5,452,227,784,645,660/84,166,483.36 - Step 6: Final answer
x = 64,779,085.06
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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.