Finding the Fourth Proportional to 75,446,539.63, 113,213,727.15 and 31,724,134.05
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Solution
The fourth proportional to 75,446,539.63, 113,213,727.15 and 31,724,134.05 is: 47,604,667.80
Step by Step Solution
- Step 1: Write the proportion equation
75,446,539.63 : 113,213,727.15 = 31,724,134.05 : x - Step 2: Convert to fraction form
75,446,539.63/113,213,727.15 = 31,724,134.05/x - Step 3: Cross multiply
75,446,539.63x = 113,213,727.15 × 31,724,134.05 - Step 4: Simplify right side
75,446,539.63x = 3,591,607,455,840,656 - Step 5: Solve for x
x = 3,591,607,455,840,656/75,446,539.63 - Step 6: Final answer
x = 47,604,667.80
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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.