Finding the Fourth Proportional to 185,950,213.49, 278,839,128.09 and 69,334,257.89
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Solution
The fourth proportional to 185,950,213.49, 278,839,128.09 and 69,334,257.89 is: 103,969,248.83
Step by Step Solution
- Step 1: Write the proportion equation
185,950,213.49 : 278,839,128.09 = 69,334,257.89 : x - Step 2: Convert to fraction form
185,950,213.49/278,839,128.09 = 69,334,257.89/x - Step 3: Cross multiply
185,950,213.49x = 278,839,128.09 × 69,334,257.89 - Step 4: Simplify right side
185,950,213.49x = 19,333,104,016,814,800 - Step 5: Solve for x
x = 19,333,104,016,814,800/185,950,213.49 - Step 6: Final answer
x = 103,969,248.83
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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.