Finding the Fourth Proportional to 131,464,539.34, 181,364,037.09 and 79,223,888.98
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Solution
The fourth proportional to 131,464,539.34, 181,364,037.09 and 79,223,888.98 is: 109,294,600.75
Step by Step Solution
- Step 1: Write the proportion equation
131,464,539.34 : 181,364,037.09 = 79,223,888.98 : x - Step 2: Convert to fraction form
131,464,539.34/181,364,037.09 = 79,223,888.98/x - Step 3: Cross multiply
131,464,539.34x = 181,364,037.09 × 79,223,888.98 - Step 4: Simplify right side
131,464,539.34x = 14,368,364,339,382,764 - Step 5: Solve for x
x = 14,368,364,339,382,764/131,464,539.34 - Step 6: Final answer
x = 109,294,600.75
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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.