Finding the Fourth Proportional to 159,563,136.80, 239,344,705.20 and 62,486,580.80
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Solution
The fourth proportional to 159,563,136.80, 239,344,705.20 and 62,486,580.80 is: 93,729,871.20
Step by Step Solution
- Step 1: Write the proportion equation
159,563,136.80 : 239,344,705.20 = 62,486,580.80 : x - Step 2: Convert to fraction form
159,563,136.80/239,344,705.20 = 62,486,580.80/x - Step 3: Cross multiply
159,563,136.80x = 239,344,705.20 × 62,486,580.80 - Step 4: Simplify right side
159,563,136.80x = 14,955,832,260,531,978 - Step 5: Solve for x
x = 14,955,832,260,531,978/159,563,136.80 - Step 6: Final answer
x = 93,729,871.20
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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.