Finding the Fourth Proportional to 239,984,950.08, 359,903,129.76 and 86,611,592.64
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Solution
The fourth proportional to 239,984,950.08, 359,903,129.76 and 86,611,592.64 is: 129,890,575.45
Step by Step Solution
- Step 1: Write the proportion equation
239,984,950.08 : 359,903,129.76 = 86,611,592.64 : x - Step 2: Convert to fraction form
239,984,950.08/359,903,129.76 = 86,611,592.64/x - Step 3: Cross multiply
239,984,950.08x = 359,903,129.76 × 86,611,592.64 - Step 4: Simplify right side
239,984,950.08x = 31,171,783,264,634,180 - Step 5: Solve for x
x = 31,171,783,264,634,180/239,984,950.08 - Step 6: Final answer
x = 129,890,575.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.