Finding the Fourth Proportional to 235,156,883.52, 324,498,115.53 and 130,728,595.80
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Solution
The fourth proportional to 235,156,883.52, 324,498,115.53 and 130,728,595.80 is: 180,395,242.31
Step by Step Solution
- Step 1: Write the proportion equation
235,156,883.52 : 324,498,115.53 = 130,728,595.80 : x - Step 2: Convert to fraction form
235,156,883.52/324,498,115.53 = 130,728,595.80/x - Step 3: Cross multiply
235,156,883.52x = 324,498,115.53 × 130,728,595.80 - Step 4: Simplify right side
235,156,883.52x = 42,421,182,982,983,072 - Step 5: Solve for x
x = 42,421,182,982,983,072/235,156,883.52 - Step 6: Final answer
x = 180,395,242.31
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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.