Finding the Fourth Proportional to 257,550,817.84, 386,485,130.12 and 119,350,665.28
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Solution
The fourth proportional to 257,550,817.84, 386,485,130.12 and 119,350,665.28 is: 179,099,634.73
Step by Step Solution
- Step 1: Write the proportion equation
257,550,817.84 : 386,485,130.12 = 119,350,665.28 : x - Step 2: Convert to fraction form
257,550,817.84/386,485,130.12 = 119,350,665.28/x - Step 3: Cross multiply
257,550,817.84x = 386,485,130.12 × 119,350,665.28 - Step 4: Simplify right side
257,550,817.84x = 46,127,257,398,310,464 - Step 5: Solve for x
x = 46,127,257,398,310,464/257,550,817.84 - Step 6: Final answer
x = 179,099,634.73
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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.