Finding the Fourth Proportional to 187,605,173.52, 258,895,163.98 and 103,978,703.18
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Solution
The fourth proportional to 187,605,173.52, 258,895,163.98 and 103,978,703.18 is: 143,490,623.98
Step by Step Solution
- Step 1: Write the proportion equation
187,605,173.52 : 258,895,163.98 = 103,978,703.18 : x - Step 2: Convert to fraction form
187,605,173.52/258,895,163.98 = 103,978,703.18/x - Step 3: Cross multiply
187,605,173.52x = 258,895,163.98 × 103,978,703.18 - Step 4: Simplify right side
187,605,173.52x = 26,919,583,410,213,848 - Step 5: Solve for x
x = 26,919,583,410,213,848/187,605,173.52 - Step 6: Final answer
x = 143,490,623.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.