Finding the Fourth Proportional to 97,988,879.35, 135,223,580.41 and 53,934,936.31
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Solution
The fourth proportional to 97,988,879.35, 135,223,580.41 and 53,934,936.31 is: 74,429,621.46
Step by Step Solution
- Step 1: Write the proportion equation
97,988,879.35 : 135,223,580.41 = 53,934,936.31 : x - Step 2: Convert to fraction form
97,988,879.35/135,223,580.41 = 53,934,936.31/x - Step 3: Cross multiply
97,988,879.35x = 135,223,580.41 × 53,934,936.31 - Step 4: Simplify right side
97,988,879.35x = 7,293,275,197,023,514 - Step 5: Solve for x
x = 7,293,275,197,023,514/97,988,879.35 - Step 6: Final answer
x = 74,429,621.46
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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.