Finding the Fourth Proportional to 77,275,703.95, 115,936,300.26 and 28,090,781.99
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Solution
The fourth proportional to 77,275,703.95, 115,936,300.26 and 28,090,781.99 is: 42,144,440.87
Step by Step Solution
- Step 1: Write the proportion equation
77,275,703.95 : 115,936,300.26 = 28,090,781.99 : x - Step 2: Convert to fraction form
77,275,703.95/115,936,300.26 = 28,090,781.99/x - Step 3: Cross multiply
77,275,703.95x = 115,936,300.26 × 28,090,781.99 - Step 4: Simplify right side
77,275,703.95x = 3,256,741,335,666,193 - Step 5: Solve for x
x = 3,256,741,335,666,193/77,275,703.95 - Step 6: Final answer
x = 42,144,440.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.