Finding the Fourth Proportional to 71,244,707.99, 98,309,402.61 and 39,884,474.21
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Solution
The fourth proportional to 71,244,707.99, 98,309,402.61 and 39,884,474.21 is: 55,035,931.00
Step by Step Solution
- Step 1: Write the proportion equation
71,244,707.99 : 98,309,402.61 = 39,884,474.21 : x - Step 2: Convert to fraction form
71,244,707.99/98,309,402.61 = 39,884,474.21/x - Step 3: Cross multiply
71,244,707.99x = 98,309,402.61 × 39,884,474.21 - Step 4: Simplify right side
71,244,707.99x = 3,921,018,832,999,052 - Step 5: Solve for x
x = 3,921,018,832,999,052/71,244,707.99 - Step 6: Final answer
x = 55,035,931.00
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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.