Finding the Fourth Proportional to 77,232,214.48, 115,846,802.16 and 31,172,860.48
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Solution
The fourth proportional to 77,232,214.48, 115,846,802.16 and 31,172,860.48 is: 46,758,677.39
Step by Step Solution
- Step 1: Write the proportion equation
77,232,214.48 : 115,846,802.16 = 31,172,860.48 : x - Step 2: Convert to fraction form
77,232,214.48/115,846,802.16 = 31,172,860.48/x - Step 3: Cross multiply
77,232,214.48x = 115,846,802.16 × 31,172,860.48 - Step 4: Simplify right side
77,232,214.48x = 3,611,276,200,787,842.50 - Step 5: Solve for x
x = 3,611,276,200,787,842.50/77,232,214.48 - Step 6: Final answer
x = 46,758,677.39
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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.