Finding the Fourth Proportional to 97,988,882.35, 135,223,584.55 and 53,934,939.31
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Solution
The fourth proportional to 97,988,882.35, 135,223,584.55 and 53,934,939.31 is: 74,429,625.60
Step by Step Solution
- Step 1: Write the proportion equation
97,988,882.35 : 135,223,584.55 = 53,934,939.31 : x - Step 2: Convert to fraction form
97,988,882.35/135,223,584.55 = 53,934,939.31/x - Step 3: Cross multiply
97,988,882.35x = 135,223,584.55 × 53,934,939.31 - Step 4: Simplify right side
97,988,882.35x = 7,293,275,825,984,905 - Step 5: Solve for x
x = 7,293,275,825,984,905/97,988,882.35 - Step 6: Final answer
x = 74,429,625.60
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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.