Finding the Fourth Proportional to 150,077,923.65, 206,943,071.54 and 97,769,957.49
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Solution
The fourth proportional to 150,077,923.65, 206,943,071.54 and 97,769,957.49 is: 134,815,399.99
Step by Step Solution
- Step 1: Write the proportion equation
150,077,923.65 : 206,943,071.54 = 97,769,957.49 : x - Step 2: Convert to fraction form
150,077,923.65/206,943,071.54 = 97,769,957.49/x - Step 3: Cross multiply
150,077,923.65x = 206,943,071.54 × 97,769,957.49 - Step 4: Simplify right side
150,077,923.65x = 20,232,815,306,826,976 - Step 5: Solve for x
x = 20,232,815,306,826,976/150,077,923.65 - Step 6: Final answer
x = 134,815,399.99
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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.