Finding the Fourth Proportional to 69,087,879.99, 103,667,685.98 and 28,177,333.11
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Solution
The fourth proportional to 69,087,879.99, 103,667,685.98 and 28,177,333.11 is: 42,280,627.53
Step by Step Solution
- Step 1: Write the proportion equation
69,087,879.99 : 103,667,685.98 = 28,177,333.11 : x - Step 2: Convert to fraction form
69,087,879.99/103,667,685.98 = 28,177,333.11/x - Step 3: Cross multiply
69,087,879.99x = 103,667,685.98 × 28,177,333.11 - Step 4: Simplify right side
69,087,879.99x = 2,921,078,920,643,008 - Step 5: Solve for x
x = 2,921,078,920,643,008/69,087,879.99 - Step 6: Final answer
x = 42,280,627.53
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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.