Finding the Fourth Proportional to 98,854,354.56, 148,306,229.76 and 69,764,991.04
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Solution
The fourth proportional to 98,854,354.56, 148,306,229.76 and 69,764,991.04 is: 104,664,916.75
Step by Step Solution
- Step 1: Write the proportion equation
98,854,354.56 : 148,306,229.76 = 69,764,991.04 : x - Step 2: Convert to fraction form
98,854,354.56/148,306,229.76 = 69,764,991.04/x - Step 3: Cross multiply
98,854,354.56x = 148,306,229.76 × 69,764,991.04 - Step 4: Simplify right side
98,854,354.56x = 10,346,582,790,382,582 - Step 5: Solve for x
x = 10,346,582,790,382,582/98,854,354.56 - Step 6: Final answer
x = 104,664,916.75
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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.