Finding the Fourth Proportional to 185,950,173.05, 278,839,067.71 and 69,334,217.58
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Solution
The fourth proportional to 185,950,173.05, 278,839,067.71 and 69,334,217.58 is: 103,969,188.48
Step by Step Solution
- Step 1: Write the proportion equation
185,950,173.05 : 278,839,067.71 = 69,334,217.58 : x - Step 2: Convert to fraction form
185,950,173.05/278,839,067.71 = 69,334,217.58/x - Step 3: Cross multiply
185,950,173.05x = 278,839,067.71 × 69,334,217.58 - Step 4: Simplify right side
185,950,173.05x = 19,333,088,590,136,272 - Step 5: Solve for x
x = 19,333,088,590,136,272/185,950,173.05 - Step 6: Final answer
x = 103,969,188.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.