Finding the Fourth Proportional to 106,283,315.20, 159,723,571.20 and 93,144,985.60
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Solution
The fourth proportional to 106,283,315.20, 159,723,571.20 and 93,144,985.60 is: 139,979,165.23
Step by Step Solution
- Step 1: Write the proportion equation
106,283,315.20 : 159,723,571.20 = 93,144,985.60 : x - Step 2: Convert to fraction form
106,283,315.20/159,723,571.20 = 93,144,985.60/x - Step 3: Cross multiply
106,283,315.20x = 159,723,571.20 × 93,144,985.60 - Step 4: Simplify right side
106,283,315.20x = 14,877,449,739,404,572 - Step 5: Solve for x
x = 14,877,449,739,404,572/106,283,315.20 - Step 6: Final answer
x = 139,979,165.23
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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.