Finding the Fourth Proportional to 270,844,399.68, 406,213,698.32 and 86,562,443.36
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Solution
The fourth proportional to 270,844,399.68, 406,213,698.32 and 86,562,443.36 is: 129,826,757.70
Step by Step Solution
- Step 1: Write the proportion equation
270,844,399.68 : 406,213,698.32 = 86,562,443.36 : x - Step 2: Convert to fraction form
270,844,399.68/406,213,698.32 = 86,562,443.36/x - Step 3: Cross multiply
270,844,399.68x = 406,213,698.32 × 86,562,443.36 - Step 4: Simplify right side
270,844,399.68x = 35,162,850,252,881,128 - Step 5: Solve for x
x = 35,162,850,252,881,128/270,844,399.68 - Step 6: Final answer
x = 129,826,757.70
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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.