Finding the Fourth Proportional to 354,553,225.20, 531,531,239.40 and 184,352,137.20
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Solution
The fourth proportional to 354,553,225.20, 531,531,239.40 and 184,352,137.20 is: 276,372,947.72
Step by Step Solution
- Step 1: Write the proportion equation
354,553,225.20 : 531,531,239.40 = 184,352,137.20 : x - Step 2: Convert to fraction form
354,553,225.20/531,531,239.40 = 184,352,137.20/x - Step 3: Cross multiply
354,553,225.20x = 531,531,239.40 × 184,352,137.20 - Step 4: Simplify right side
354,553,225.20x = 97,988,919,971,954,832 - Step 5: Solve for x
x = 97,988,919,971,954,832/354,553,225.20 - Step 6: Final answer
x = 276,372,947.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.