Finding the Fourth Proportional to 115,753,208.94, 159,735,295.02 and 65,516,349.42
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Solution
The fourth proportional to 115,753,208.94, 159,735,295.02 and 65,516,349.42 is: 90,410,222.74
Step by Step Solution
- Step 1: Write the proportion equation
115,753,208.94 : 159,735,295.02 = 65,516,349.42 : x - Step 2: Convert to fraction form
115,753,208.94/159,735,295.02 = 65,516,349.42/x - Step 3: Cross multiply
115,753,208.94x = 159,735,295.02 × 65,516,349.42 - Step 4: Simplify right side
115,753,208.94x = 10,465,273,403,237,106 - Step 5: Solve for x
x = 10,465,273,403,237,106/115,753,208.94 - Step 6: Final answer
x = 90,410,222.74
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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.