Finding the Fourth Proportional to 97,872,208.71, 135,072,255.02 and 53,826,968.31
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Solution
The fourth proportional to 97,872,208.71, 135,072,255.02 and 53,826,968.31 is: 74,285,949.88
Step by Step Solution
- Step 1: Write the proportion equation
97,872,208.71 : 135,072,255.02 = 53,826,968.31 : x - Step 2: Convert to fraction form
97,872,208.71/135,072,255.02 = 53,826,968.31/x - Step 3: Cross multiply
97,872,208.71x = 135,072,255.02 × 53,826,968.31 - Step 4: Simplify right side
97,872,208.71x = 7,270,529,990,521,779 - Step 5: Solve for x
x = 7,270,529,990,521,779/97,872,208.71 - Step 6: Final answer
x = 74,285,949.88
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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.