Finding the Fourth Proportional to 51,319,699.23, 76,991,037.90 and 17,240,115.63
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Solution
The fourth proportional to 51,319,699.23, 76,991,037.90 and 17,240,115.63 is: 25,864,033.03
Step by Step Solution
- Step 1: Write the proportion equation
51,319,699.23 : 76,991,037.90 = 17,240,115.63 : x - Step 2: Convert to fraction form
51,319,699.23/76,991,037.90 = 17,240,115.63/x - Step 3: Cross multiply
51,319,699.23x = 76,991,037.90 × 17,240,115.63 - Step 4: Simplify right side
51,319,699.23x = 1,327,334,395,869,712.50 - Step 5: Solve for x
x = 1,327,334,395,869,712.50/51,319,699.23 - Step 6: Final answer
x = 25,864,033.03
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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.