Finding the Fourth Proportional to 99,671,529.30, 149,535,287.55 and 48,555,215.70
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Solution
The fourth proportional to 99,671,529.30, 149,535,287.55 and 48,555,215.70 is: 72,846,460.70
Step by Step Solution
- Step 1: Write the proportion equation
99,671,529.30 : 149,535,287.55 = 48,555,215.70 : x - Step 2: Convert to fraction form
99,671,529.30/149,535,287.55 = 48,555,215.70/x - Step 3: Cross multiply
99,671,529.30x = 149,535,287.55 × 48,555,215.70 - Step 4: Simplify right side
99,671,529.30x = 7,260,718,141,751,776 - Step 5: Solve for x
x = 7,260,718,141,751,776/99,671,529.30 - Step 6: Final answer
x = 72,846,460.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.