Finding the Fourth Proportional to 165,979,723.20, 248,801,623.20 and 97,787,313.60
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Solution
The fourth proportional to 165,979,723.20, 248,801,623.20 and 97,787,313.60 is: 146,582,015.46
Step by Step Solution
- Step 1: Write the proportion equation
165,979,723.20 : 248,801,623.20 = 97,787,313.60 : x - Step 2: Convert to fraction form
165,979,723.20/248,801,623.20 = 97,787,313.60/x - Step 3: Cross multiply
165,979,723.20x = 248,801,623.20 × 97,787,313.60 - Step 4: Simplify right side
165,979,723.20x = 24,329,642,352,047,432 - Step 5: Solve for x
x = 24,329,642,352,047,432/165,979,723.20 - Step 6: Final answer
x = 146,582,015.46
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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.