Finding the Fourth Proportional to 73,007,720.06, 100,750,655.67 and 40,412,672.06
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Solution
The fourth proportional to 73,007,720.06, 100,750,655.67 and 40,412,672.06 is: 55,769,488.54
Step by Step Solution
- Step 1: Write the proportion equation
73,007,720.06 : 100,750,655.67 = 40,412,672.06 : x - Step 2: Convert to fraction form
73,007,720.06/100,750,655.67 = 40,412,672.06/x - Step 3: Cross multiply
73,007,720.06x = 100,750,655.67 × 40,412,672.06 - Step 4: Simplify right side
73,007,720.06x = 4,071,603,207,421,690 - Step 5: Solve for x
x = 4,071,603,207,421,690/73,007,720.06 - Step 6: Final answer
x = 55,769,488.54
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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.