Finding the Fourth Proportional to 67,019,720.88, 92,494,703.84 and 40,572,646.66
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Solution
The fourth proportional to 67,019,720.88, 92,494,703.84 and 40,572,646.66 is: 55,994,786.12
Step by Step Solution
- Step 1: Write the proportion equation
67,019,720.88 : 92,494,703.84 = 40,572,646.66 : x - Step 2: Convert to fraction form
67,019,720.88/92,494,703.84 = 40,572,646.66/x - Step 3: Cross multiply
67,019,720.88x = 92,494,703.84 × 40,572,646.66 - Step 4: Simplify right side
67,019,720.88x = 3,752,754,936,821,665 - Step 5: Solve for x
x = 3,752,754,936,821,665/67,019,720.88 - Step 6: Final answer
x = 55,994,786.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.