Finding the Fourth Proportional to 151,645,207.07, 209,203,916.04 and 88,889,489.93
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Solution
The fourth proportional to 151,645,207.07, 209,203,916.04 and 88,889,489.93 is: 122,628,533.71
Step by Step Solution
- Step 1: Write the proportion equation
151,645,207.07 : 209,203,916.04 = 88,889,489.93 : x - Step 2: Convert to fraction form
151,645,207.07/209,203,916.04 = 88,889,489.93/x - Step 3: Cross multiply
151,645,207.07x = 209,203,916.04 × 88,889,489.93 - Step 4: Simplify right side
151,645,207.07x = 18,596,029,387,108,124 - Step 5: Solve for x
x = 18,596,029,387,108,124/151,645,207.07 - Step 6: Final answer
x = 122,628,533.71
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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.