Finding the Fourth Proportional to 287,196,381.80, 430,797,030.30 and 95,720,157.80
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Solution
The fourth proportional to 287,196,381.80, 430,797,030.30 and 95,720,157.80 is: 143,581,055.80
Step by Step Solution
- Step 1: Write the proportion equation
287,196,381.80 : 430,797,030.30 = 95,720,157.80 : x - Step 2: Convert to fraction form
287,196,381.80/430,797,030.30 = 95,720,157.80/x - Step 3: Cross multiply
287,196,381.80x = 430,797,030.30 × 95,720,157.80 - Step 4: Simplify right side
287,196,381.80x = 41,235,959,720,087,384 - Step 5: Solve for x
x = 41,235,959,720,087,384/287,196,381.80 - Step 6: Final answer
x = 143,581,055.80
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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.