Finding the Fourth Proportional to 180,346,694.94, 248,878,921.34 and 97,840,479.69
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Solution
The fourth proportional to 180,346,694.94, 248,878,921.34 and 97,840,479.69 is: 135,020,123.64
Step by Step Solution
- Step 1: Write the proportion equation
180,346,694.94 : 248,878,921.34 = 97,840,479.69 : x - Step 2: Convert to fraction form
180,346,694.94/248,878,921.34 = 97,840,479.69/x - Step 3: Cross multiply
180,346,694.94x = 248,878,921.34 × 97,840,479.69 - Step 4: Simplify right side
180,346,694.94x = 24,350,433,048,879,980 - Step 5: Solve for x
x = 24,350,433,048,879,980/180,346,694.94 - Step 6: Final answer
x = 135,020,123.64
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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.