Finding the Fourth Proportional to 75,567,443.20, 113,183,203.20 and 65,489,747.20
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Solution
The fourth proportional to 75,567,443.20, 113,183,203.20 and 65,489,747.20 is: 98,089,058.61
Step by Step Solution
- Step 1: Write the proportion equation
75,567,443.20 : 113,183,203.20 = 65,489,747.20 : x - Step 2: Convert to fraction form
75,567,443.20/113,183,203.20 = 65,489,747.20/x - Step 3: Cross multiply
75,567,443.20x = 113,183,203.20 × 65,489,747.20 - Step 4: Simplify right side
75,567,443.20x = 7,412,339,364,854,232 - Step 5: Solve for x
x = 7,412,339,364,854,232/75,567,443.20 - Step 6: Final answer
x = 98,089,058.61
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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.