Finding the Fourth Proportional to 258,964,313.67, 357,366,529.60 and 141,487,115.49
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Solution
The fourth proportional to 258,964,313.67, 357,366,529.60 and 141,487,115.49 is: 195,249,911.96
Step by Step Solution
- Step 1: Write the proportion equation
258,964,313.67 : 357,366,529.60 = 141,487,115.49 : x - Step 2: Convert to fraction form
258,964,313.67/357,366,529.60 = 141,487,115.49/x - Step 3: Cross multiply
258,964,313.67x = 357,366,529.60 × 141,487,115.49 - Step 4: Simplify right side
258,964,313.67x = 50,562,759,445,421,992 - Step 5: Solve for x
x = 50,562,759,445,421,992/258,964,313.67 - Step 6: Final answer
x = 195,249,911.96
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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.