Finding the Fourth Proportional to 195,581,638.58, 293,417,835.68 and 64,419,207.15
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Solution
The fourth proportional to 195,581,638.58, 293,417,835.68 and 64,419,207.15 is: 96,643,756.93
Step by Step Solution
- Step 1: Write the proportion equation
195,581,638.58 : 293,417,835.68 = 64,419,207.15 : x - Step 2: Convert to fraction form
195,581,638.58/293,417,835.68 = 64,419,207.15/x - Step 3: Cross multiply
195,581,638.58x = 293,417,835.68 × 64,419,207.15 - Step 4: Simplify right side
195,581,638.58x = 18,901,744,337,852,484 - Step 5: Solve for x
x = 18,901,744,337,852,484/195,581,638.58 - Step 6: Final answer
x = 96,643,756.93
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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.