Finding the Fourth Proportional to 113,860,106.96, 157,127,021.74 and 61,649,177.99
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Solution
The fourth proportional to 113,860,106.96, 157,127,021.74 and 61,649,177.99 is: 85,075,905.77
Step by Step Solution
- Step 1: Write the proportion equation
113,860,106.96 : 157,127,021.74 = 61,649,177.99 : x - Step 2: Convert to fraction form
113,860,106.96/157,127,021.74 = 61,649,177.99/x - Step 3: Cross multiply
113,860,106.96x = 157,127,021.74 × 61,649,177.99 - Step 4: Simplify right side
113,860,106.96x = 9,686,751,730,168,514 - Step 5: Solve for x
x = 9,686,751,730,168,514/113,860,106.96 - Step 6: Final answer
x = 85,075,905.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.