Finding the Fourth Proportional to 89,686,785.99, 123,767,763.44 and 48,433,677.15
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Solution
The fourth proportional to 89,686,785.99, 123,767,763.44 and 48,433,677.15 is: 66,838,473.80
Step by Step Solution
- Step 1: Write the proportion equation
89,686,785.99 : 123,767,763.44 = 48,433,677.15 : x - Step 2: Convert to fraction form
89,686,785.99/123,767,763.44 = 48,433,677.15/x - Step 3: Cross multiply
89,686,785.99x = 123,767,763.44 × 48,433,677.15 - Step 4: Simplify right side
89,686,785.99x = 5,994,527,895,788,365 - Step 5: Solve for x
x = 5,994,527,895,788,365/89,686,785.99 - Step 6: Final answer
x = 66,838,473.80
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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.