Finding the Fourth Proportional to 291,732,296.76, 402,585,832.52 and 159,572,137.26
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Solution
The fourth proportional to 291,732,296.76, 402,585,832.52 and 159,572,137.26 is: 220,206,958.36
Step by Step Solution
- Step 1: Write the proportion equation
291,732,296.76 : 402,585,832.52 = 159,572,137.26 : x - Step 2: Convert to fraction form
291,732,296.76/402,585,832.52 = 159,572,137.26/x - Step 3: Cross multiply
291,732,296.76x = 402,585,832.52 × 159,572,137.26 - Step 4: Simplify right side
291,732,296.76x = 64,241,481,723,002,016 - Step 5: Solve for x
x = 64,241,481,723,002,016/291,732,296.76 - Step 6: Final answer
x = 220,206,958.36
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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.