Finding the Fourth Proportional to 118,173,164.85, 163,106,177.27 and 69,296,339.25
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Solution
The fourth proportional to 118,173,164.85, 163,106,177.27 and 69,296,339.25 is: 95,644,903.89
Step by Step Solution
- Step 1: Write the proportion equation
118,173,164.85 : 163,106,177.27 = 69,296,339.25 : x - Step 2: Convert to fraction form
118,173,164.85/163,106,177.27 = 69,296,339.25/x - Step 3: Cross multiply
118,173,164.85x = 163,106,177.27 × 69,296,339.25 - Step 4: Simplify right side
118,173,164.85x = 11,302,660,993,872,560 - Step 5: Solve for x
x = 11,302,660,993,872,560/118,173,164.85 - Step 6: Final answer
x = 95,644,903.89
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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.