Finding the Fourth Proportional to 115,190,701.68, 158,964,676.08 and 62,979,797.88
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Solution
The fourth proportional to 115,190,701.68, 158,964,676.08 and 62,979,797.88 is: 86,912,945.43
Step by Step Solution
- Step 1: Write the proportion equation
115,190,701.68 : 158,964,676.08 = 62,979,797.88 : x - Step 2: Convert to fraction form
115,190,701.68/158,964,676.08 = 62,979,797.88/x - Step 3: Cross multiply
115,190,701.68x = 158,964,676.08 × 62,979,797.88 - Step 4: Simplify right side
115,190,701.68x = 10,011,563,169,578,072 - Step 5: Solve for x
x = 10,011,563,169,578,072/115,190,701.68 - Step 6: Final answer
x = 86,912,945.43
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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.