Finding the Fourth Proportional to 144,787,314.87, 199,794,607.16 and 85,239,153.99
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Solution
The fourth proportional to 144,787,314.87, 199,794,607.16 and 85,239,153.99 is: 117,623,034.18
Step by Step Solution
- Step 1: Write the proportion equation
144,787,314.87 : 199,794,607.16 = 85,239,153.99 : x - Step 2: Convert to fraction form
144,787,314.87/199,794,607.16 = 85,239,153.99/x - Step 3: Cross multiply
144,787,314.87x = 199,794,607.16 × 85,239,153.99 - Step 4: Simplify right side
144,787,314.87x = 17,030,323,285,656,600 - Step 5: Solve for x
x = 17,030,323,285,656,600/144,787,314.87 - Step 6: Final answer
x = 117,623,034.18
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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.