Finding the Fourth Proportional to 187,036,582,184.36, 258,129,721,245.64 and 113,798,012,328.68
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Solution
The fourth proportional to 187,036,582,184.36, 258,129,721,245.64 and 113,798,012,328.68 is: 157,052,961,819.82
Step by Step Solution
- Step 1: Write the proportion equation
187,036,582,184.36 : 258,129,721,245.64 = 113,798,012,328.68 : x - Step 2: Convert to fraction form
187,036,582,184.36/258,129,721,245.64 = 113,798,012,328.68/x - Step 3: Cross multiply
187,036,582,184.36x = 258,129,721,245.64 × 113,798,012,328.68 - Step 4: Simplify right side
187,036,582,184.36x = 29,374,649,200,710,072,139,776 - Step 5: Solve for x
x = 29,374,649,200,710,072,139,776/187,036,582,184.36 - Step 6: Final answer
x = 157,052,961,819.82
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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.