Finding the Fourth Proportional to 286,424,108.93, 395,196,320.70 and 167,279,133.71
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Solution
The fourth proportional to 286,424,108.93, 395,196,320.70 and 167,279,133.71 is: 230,804,936.14
Step by Step Solution
- Step 1: Write the proportion equation
286,424,108.93 : 395,196,320.70 = 167,279,133.71 : x - Step 2: Convert to fraction form
286,424,108.93/395,196,320.70 = 167,279,133.71/x - Step 3: Cross multiply
286,424,108.93x = 395,196,320.70 × 167,279,133.71 - Step 4: Simplify right side
286,424,108.93x = 66,108,098,170,099,360 - Step 5: Solve for x
x = 66,108,098,170,099,360/286,424,108.93 - Step 6: Final answer
x = 230,804,936.14
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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.