Finding the Fourth Proportional to 243,457,867.36, 335,775,955.84 and 214,026,271.12
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Solution
The fourth proportional to 243,457,867.36, 335,775,955.84 and 214,026,271.12 is: 295,184,035.49
Step by Step Solution
- Step 1: Write the proportion equation
243,457,867.36 : 335,775,955.84 = 214,026,271.12 : x - Step 2: Convert to fraction form
243,457,867.36/335,775,955.84 = 214,026,271.12/x - Step 3: Cross multiply
243,457,867.36x = 335,775,955.84 × 214,026,271.12 - Step 4: Simplify right side
243,457,867.36x = 71,864,875,760,188,984 - Step 5: Solve for x
x = 71,864,875,760,188,984/243,457,867.36 - Step 6: Final answer
x = 295,184,035.49
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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.