Finding the Fourth Proportional to 247,328,474.96, 371,064,515.60 and 99,699,848.02
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Solution
The fourth proportional to 247,328,474.96, 371,064,515.60 and 99,699,848.02 is: 149,578,716.39
Step by Step Solution
- Step 1: Write the proportion equation
247,328,474.96 : 371,064,515.60 = 99,699,848.02 : x - Step 2: Convert to fraction form
247,328,474.96/371,064,515.60 = 99,699,848.02/x - Step 3: Cross multiply
247,328,474.96x = 371,064,515.60 × 99,699,848.02 - Step 4: Simplify right side
247,328,474.96x = 36,995,075,811,648,000 - Step 5: Solve for x
x = 36,995,075,811,648,000/247,328,474.96 - Step 6: Final answer
x = 149,578,716.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.