Finding the Fourth Proportional to 71,130,905.29, 98,160,748.91 and 38,535,857.29
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Solution
The fourth proportional to 71,130,905.29, 98,160,748.91 and 38,535,857.29 is: 53,179,537.02
Step by Step Solution
- Step 1: Write the proportion equation
71,130,905.29 : 98,160,748.91 = 38,535,857.29 : x - Step 2: Convert to fraction form
71,130,905.29/98,160,748.91 = 38,535,857.29/x - Step 3: Cross multiply
71,130,905.29x = 98,160,748.91 × 38,535,857.29 - Step 4: Simplify right side
71,130,905.29x = 3,782,708,611,282,603.50 - Step 5: Solve for x
x = 3,782,708,611,282,603.50/71,130,905.29 - Step 6: Final answer
x = 53,179,537.02
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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.