Finding the Fourth Proportional to 193,584,124.39, 267,146,130.09 and 105,478,122.07
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Solution
The fourth proportional to 193,584,124.39, 267,146,130.09 and 105,478,122.07 is: 145,559,829.39
Step by Step Solution
- Step 1: Write the proportion equation
193,584,124.39 : 267,146,130.09 = 105,478,122.07 : x - Step 2: Convert to fraction form
193,584,124.39/267,146,130.09 = 105,478,122.07/x - Step 3: Cross multiply
193,584,124.39x = 267,146,130.09 × 105,478,122.07 - Step 4: Simplify right side
193,584,124.39x = 28,178,072,118,825,388 - Step 5: Solve for x
x = 28,178,072,118,825,388/193,584,124.39 - Step 6: Final answer
x = 145,559,829.39
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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.