Finding the Fourth Proportional to 65,876,358.68, 98,835,189.07 and 39,643,817.65
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Solution
The fourth proportional to 65,876,358.68, 98,835,189.07 and 39,643,817.65 is: 59,478,154.09
Step by Step Solution
- Step 1: Write the proportion equation
65,876,358.68 : 98,835,189.07 = 39,643,817.65 : x - Step 2: Convert to fraction form
65,876,358.68/98,835,189.07 = 39,643,817.65/x - Step 3: Cross multiply
65,876,358.68x = 98,835,189.07 × 39,643,817.65 - Step 4: Simplify right side
65,876,358.68x = 3,918,204,212,622,487.50 - Step 5: Solve for x
x = 3,918,204,212,622,487.50/65,876,358.68 - Step 6: Final answer
x = 59,478,154.09
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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.