Finding the Fourth Proportional to 239,991,459.93, 331,186,671.95 and 135,603,325.53
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Solution
The fourth proportional to 239,991,459.93, 331,186,671.95 and 135,603,325.53 is: 187,131,717.52
Step by Step Solution
- Step 1: Write the proportion equation
239,991,459.93 : 331,186,671.95 = 135,603,325.53 : x - Step 2: Convert to fraction form
239,991,459.93/331,186,671.95 = 135,603,325.53/x - Step 3: Cross multiply
239,991,459.93x = 331,186,671.95 × 135,603,325.53 - Step 4: Simplify right side
239,991,459.93x = 44,910,014,086,955,152 - Step 5: Solve for x
x = 44,910,014,086,955,152/239,991,459.93 - Step 6: Final answer
x = 187,131,717.52
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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.